ECOM can indeed be used to diagnose issues related to secondary battery charging systems, offering a robust solution for automotive technicians. At DTS-MONACO.EDU.VN, we provide the tools and knowledge you need to master ECOM and related diagnostic techniques, improving your skills and service offerings. Discover how advanced diagnostic tools can streamline your workflow and increase your efficiency, leading to enhanced customer satisfaction and increased profitability.
Contents
- 1. What Is ECOM and How Does It Relate to Secondary Battery Charging Systems?
- 2. What Are the Key Components of a Secondary Battery Charging System?
- 3. How Can ECOM Diagnose Common Issues in Secondary Battery Charging Systems?
- 4. What Real-Time Data Can ECOM Provide for Secondary Battery Diagnostics?
- 5. What Diagnostic Trouble Codes (DTCs) Are Relevant to Secondary Battery Charging Systems?
1. What Is ECOM and How Does It Relate to Secondary Battery Charging Systems?
ECOM (Embedded Controller Object Manager) is a diagnostic communication protocol used in the automotive industry, particularly for Mercedes-Benz vehicles. It enables comprehensive diagnostics, programming, and coding of various electronic control units (ECUs). When it comes to secondary battery charging systems, ECOM can be invaluable for identifying faults, monitoring performance, and ensuring proper operation.
-
Diagnostic Capabilities: ECOM allows technicians to access real-time data from the secondary battery charging system, including voltage levels, current flow, and temperature readings. This data can help pinpoint issues such as a faulty charging module, a defective battery, or wiring problems.
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Programming and Coding: ECOM can be used to program or re-code the ECU that controls the secondary battery charging system. This is essential when replacing components or updating software to ensure compatibility and optimal performance.
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Fault Code Analysis: ECOM can retrieve and clear diagnostic trouble codes (DTCs) related to the secondary battery charging system. By analyzing these codes, technicians can quickly identify the root cause of the problem and implement the appropriate repair.
Alt text: A mechanic using the ECOM diagnostic tool to troubleshoot a vehicle’s electrical system, highlighting the tool’s importance in automotive diagnostics.
2. What Are the Key Components of a Secondary Battery Charging System?
Understanding the components of a secondary battery charging system is crucial for effective diagnostics. The system typically includes:
- Secondary Battery: This battery provides power to auxiliary systems, such as the start-stop system, and is often a smaller capacity battery.
- Charging Module: This module regulates the charging of the secondary battery, ensuring it receives the correct voltage and current.
- Voltage Converter: This component converts the voltage from the primary battery to the appropriate level for charging the secondary battery.
- Control Unit: The ECU monitors the system’s performance and controls the charging process based on various parameters.
- Wiring and Connectors: These provide the electrical connections between the components.
A breakdown in any of these components can lead to charging issues, which ECOM can help diagnose.
3. How Can ECOM Diagnose Common Issues in Secondary Battery Charging Systems?
ECOM’s advanced diagnostic capabilities make it well-suited for identifying a range of issues in secondary battery charging systems. Common problems and how ECOM can assist include:
- Battery Not Charging: ECOM can monitor the voltage and current flow to the secondary battery. If the battery is not receiving adequate charge, ECOM can help identify whether the charging module, voltage converter, or wiring is at fault.
- Overcharging: Overcharging can damage the secondary battery. ECOM can detect excessive voltage levels and help determine if the charging module is malfunctioning.
- Faulty Charging Module: A defective charging module can prevent the secondary battery from charging correctly. ECOM can run diagnostic tests on the module to assess its performance and identify internal faults.
- Wiring Issues: Corroded or damaged wiring can disrupt the charging process. ECOM can perform continuity tests and voltage drop measurements to pinpoint wiring problems.
- Control Unit Malfunctions: If the ECU is not properly controlling the charging process, ECOM can be used to reprogram or re-code the unit to restore functionality.
4. What Real-Time Data Can ECOM Provide for Secondary Battery Diagnostics?
ECOM provides a wealth of real-time data that is essential for diagnosing secondary battery charging system issues. Key data points include:
- Voltage Levels: Monitoring the voltage of the secondary battery and the charging module can indicate whether the battery is being charged correctly.
- Current Flow: Measuring the current flowing into the secondary battery can reveal issues with the charging process.
- Temperature Readings: Monitoring the temperature of the battery and charging module can help identify overheating problems.
- State of Charge (SOC): This indicates the current charge level of the secondary battery.
- State of Health (SOH): This reflects the overall health and condition of the battery.
- Diagnostic Trouble Codes (DTCs): These codes provide specific information about faults detected in the system.
By analyzing this data, technicians can gain a comprehensive understanding of the secondary battery charging system’s performance and identify the root cause of any issues.
5. What Diagnostic Trouble Codes (DTCs) Are Relevant to Secondary Battery Charging Systems?
Several DTCs are specifically related to secondary battery charging systems. Understanding these codes is essential for accurate diagnostics:
| DTC Code | Description | Possible Causes |
|---|---|---|
| B1800-001 | Secondary battery has low voltage | Faulty secondary battery, charging system malfunction, excessive drain on the secondary battery |
| B1800-002 | Secondary battery has high voltage | Overcharging of the secondary battery, faulty charging module |
| B1801-001 | Secondary battery charging module malfunction | Faulty charging module, wiring issues, control unit malfunction |
| B1802-001 | Secondary battery voltage converter malfunction | Faulty voltage converter, wiring issues, control unit malfunction |
| B1803-001 | Communication fault with the secondary battery control unit | Wiring issues, faulty control unit, software problems |
| P0562 | System Voltage Low | Alternator failure, battery issues, wiring problems |
| P0563 | System Voltage High | Voltage regulator failure, battery issues |
| P0620 | Generator Control Circuit Malfunction | Wiring issues, faulty alternator, control unit malfunction |
| P0621 | Generator Lamp Control Circuit Malfunction | Wiring issues, faulty alternator, control unit malfunction |
| P0622 | Generator Field Control Circuit Malfunction | Wiring issues, faulty alternator, control unit malfunction |
| P2526 | Voltage Quality of Reductant Heater Control Circuit/Open | Wiring issues, faulty heater, control unit malfunction |
| P2530 | Ignition Switch Run/Start Position Circuit | Wiring issues, faulty ignition switch, control unit malfunction |
| P2531 | Ignition Switch Run/Start Position Circuit Low | Wiring issues, faulty ignition switch, control unit malfunction |
| P2532 | Ignition Switch Run/Start Position Circuit High | Wiring issues, faulty ignition switch, control unit malfunction |
| P2533 | Ignition Switch Run/Start Position Circuit Range/Performance | Wiring issues, faulty ignition switch, control unit malfunction |
| P2534 | Ignition Switch Start Position Circuit | Wiring issues, faulty ignition switch, control unit malfunction |
| P2535 | Ignition Switch Start Position Circuit Low | Wiring issues, faulty ignition switch, control unit malfunction |
| P2536 | Ignition Switch Start Position Circuit High | Wiring issues, faulty ignition switch, control unit malfunction |
| P2537 | Ignition Switch Start Position Circuit Range/Performance | Wiring issues, faulty ignition switch, control unit malfunction |
| P2538 | Accelerator Pedal Position Sensor Supply Voltage Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2539 | Accelerator Pedal Position Sensor Supply Voltage Circuit Low | Wiring issues, faulty sensor, control unit malfunction |
| P2540 | Accelerator Pedal Position Sensor Supply Voltage Circuit High | Wiring issues, faulty sensor, control unit malfunction |
| P2600 | Coolant Pump Control Circuit/Open | Wiring issues, faulty coolant pump, control unit malfunction |
| P2601 | Coolant Pump Control Circuit Range/Performance | Wiring issues, faulty coolant pump, control unit malfunction |
| P2602 | Coolant Pump Control Circuit Low | Wiring issues, faulty coolant pump, control unit malfunction |
| P2603 | Coolant Pump Control Circuit High | Wiring issues, faulty coolant pump, control unit malfunction |
| P2604 | Intake Air Heater A Control Circuit Range/Performance | Wiring issues, faulty heater, control unit malfunction |
| P2605 | Intake Air Heater A Control Circuit/Open | Wiring issues, faulty heater, control unit malfunction |
| P2606 | Intake Air Heater A Control Circuit Low | Wiring issues, faulty heater, control unit malfunction |
| P2607 | Intake Air Heater A Control Circuit High | Wiring issues, faulty heater, control unit malfunction |
| P2608 | Intake Air Heater B Control Circuit Range/Performance | Wiring issues, faulty heater, control unit malfunction |
| P2609 | Intake Air Heater B Control Circuit/Open | Wiring issues, faulty heater, control unit malfunction |
| P2610 | Internal Engine Off Timer Performance | Faulty timer, control unit malfunction |
| P2614 | Camshaft Position Actuator ‘B’ Control Circuit/Open (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2615 | Camshaft Position Actuator ‘B’ Control Circuit Short to Ground (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2616 | Camshaft Position Actuator ‘B’ Control Circuit Short to Battery (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2617 | Crankshaft Position Actuator Control Circuit/Open | Wiring issues, faulty actuator, control unit malfunction |
| P2618 | Crankshaft Position Actuator Control Circuit Short to Ground | Wiring issues, faulty actuator, control unit malfunction |
| P2619 | Crankshaft Position Actuator Control Circuit Short to Battery | Wiring issues, faulty actuator, control unit malfunction |
| P2635 | Fuel Pump ‘A’ Flow Performance | Wiring issues, faulty fuel pump, control unit malfunction |
| P2636 | Fuel Pump ‘B’ Low Flow/Performance | Wiring issues, faulty fuel pump, control unit malfunction |
| P2637 | Torque Management Feedback Signal ‘A’ | Wiring issues, faulty sensor, control unit malfunction |
| P2638 | Torque Management Feedback Signal ‘A’ Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2639 | Torque Management Feedback Signal ‘A’ Low | Wiring issues, faulty sensor, control unit malfunction |
| P2640 | Torque Management Feedback Signal ‘A’ High | Wiring issues, faulty sensor, control unit malfunction |
| P2641 | Torque Management Feedback Signal ‘B’ | Wiring issues, faulty sensor, control unit malfunction |
| P2642 | Torque Management Feedback Signal ‘B’ Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2643 | Torque Management Feedback Signal ‘B’ Low | Wiring issues, faulty sensor, control unit malfunction |
| P2644 | Torque Management Feedback Signal ‘B’ High | Wiring issues, faulty sensor, control unit malfunction |
| P2645 | Rocker Arm Actuator System ‘A’ Control Circuit/Open (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2646 | Rocker Arm Actuator System ‘A’ Performance/Stuck Off (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2647 | Rocker Arm Actuator System ‘A’ Stuck On (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2648 | Rocker Arm Actuator System ‘A’ Control Circuit Low (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2649 | Rocker Arm Actuator System ‘A’ Control Circuit High (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2650 | Rocker Arm Actuator System ‘B’ Control Circuit/Open (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2651 | Rocker Arm Actuator System ‘B’ Performance/Stuck Off (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2652 | Rocker Arm Actuator System ‘B’ Stuck On (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2653 | Rocker Arm Actuator System ‘B’ Control Circuit Low (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2654 | Rocker Arm Actuator System ‘B’ Control Circuit High (Bank 1) | Wiring issues, faulty actuator, control unit malfunction |
| P2655 | Rocker Arm Actuator System ‘A’ Control Circuit/Open (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2656 | Rocker Arm Actuator System ‘A’ Performance/Stuck Off (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2657 | Rocker Arm Actuator System ‘A’ Stuck On (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2658 | Rocker Arm Actuator System ‘A’ Control Circuit Low (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2659 | Rocker Arm Actuator System ‘A’ Control Circuit High (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2660 | Rocker Arm Actuator System ‘B’ Control Circuit/Open (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2661 | Rocker Arm Actuator System ‘B’ Performance/Stuck Off (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2662 | Rocker Arm Actuator System ‘B’ Stuck On (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2663 | Rocker Arm Actuator System ‘B’ Control Circuit Low (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2664 | Rocker Arm Actuator System ‘B’ Control Circuit High (Bank 2) | Wiring issues, faulty actuator, control unit malfunction |
| P2700 | Transmission Friction Element ‘A’ Apply Time Range/Performance | Wiring issues, faulty transmission, control unit malfunction |
| P2701 | Transmission Friction Element ‘A’ Apply Time Too Short | Wiring issues, faulty transmission, control unit malfunction |
| P2702 | Transmission Friction Element ‘A’ Apply Time Too Long | Wiring issues, faulty transmission, control unit malfunction |
| P2703 | Transmission Friction Element ‘B’ Apply Time Range/Performance | Wiring issues, faulty transmission, control unit malfunction |
| P2704 | Transmission Friction Element ‘B’ Apply Time Too Short | Wiring issues, faulty transmission, control unit malfunction |
| P2705 | Transmission Friction Element ‘B’ Apply Time Too Long | Wiring issues, faulty transmission, control unit malfunction |
| P2706 | Shift Solenoid ‘F’ | Wiring issues, faulty solenoid, control unit malfunction |
| P2707 | Shift Solenoid ‘F’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2708 | Shift Solenoid ‘F’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2709 | Shift Solenoid ‘F’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2710 | Shift Solenoid ‘F’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2711 | Unexpected Mechanical Gear Disengagement | Wiring issues, faulty transmission, control unit malfunction |
| P2712 | Hydraulic Pump ‘A’ Control Circuit | Wiring issues, faulty hydraulic pump, control unit malfunction |
| P2713 | Hydraulic Pump ‘A’ Control Circuit/Open | Wiring issues, faulty hydraulic pump, control unit malfunction |
| P2714 | Hydraulic Pump ‘A’ Control Circuit Low | Wiring issues, faulty hydraulic pump, control unit malfunction |
| P2715 | Hydraulic Pump ‘A’ Control Circuit High | Wiring issues, faulty hydraulic pump, control unit malfunction |
| P2716 | Pressure Control Solenoid ‘D’ Electrical | Wiring issues, faulty solenoid, control unit malfunction |
| P2717 | Pressure Control Solenoid ‘D’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2718 | Pressure Control Solenoid ‘D’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2719 | Pressure Control Solenoid ‘D’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2720 | Pressure Control Solenoid ‘D’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2721 | Pressure Control Solenoid ‘E’ Electrical | Wiring issues, faulty solenoid, control unit malfunction |
| P2722 | Pressure Control Solenoid ‘E’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2723 | Pressure Control Solenoid ‘E’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2724 | Pressure Control Solenoid ‘E’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2725 | Pressure Control Solenoid ‘E’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2726 | Pressure Control Solenoid ‘F’ Electrical | Wiring issues, faulty solenoid, control unit malfunction |
| P2727 | Pressure Control Solenoid ‘F’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2728 | Pressure Control Solenoid ‘F’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2729 | Pressure Control Solenoid ‘F’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2730 | Pressure Control Solenoid ‘F’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2731 | Pressure Control Solenoid ‘G’ Electrical | Wiring issues, faulty solenoid, control unit malfunction |
| P2732 | Pressure Control Solenoid ‘G’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2733 | Pressure Control Solenoid ‘G’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2734 | Pressure Control Solenoid ‘G’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2735 | Pressure Control Solenoid ‘G’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2736 | Pressure Control Solenoid ‘H’ Electrical | Wiring issues, faulty solenoid, control unit malfunction |
| P2737 | Pressure Control Solenoid ‘H’ Performance or Stuck Off | Wiring issues, faulty solenoid, control unit malfunction |
| P2738 | Pressure Control Solenoid ‘H’ Stuck On | Wiring issues, faulty solenoid, control unit malfunction |
| P2739 | Pressure Control Solenoid ‘H’ Control Circuit | Wiring issues, faulty solenoid, control unit malfunction |
| P2740 | Pressure Control Solenoid ‘H’ Control Circuit Range/Performance | Wiring issues, faulty solenoid, control unit malfunction |
| P2741 | Turbine/Input Shaft Speed Sensor ‘A’ Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2742 | Turbine/Input Shaft Speed Sensor ‘A’ Circuit Low | Wiring issues, faulty sensor, control unit malfunction |
| P2743 | Turbine/Input Shaft Speed Sensor ‘A’ Circuit High | Wiring issues, faulty sensor, control unit malfunction |
| P2744 | Intermediate Shaft Speed Sensor Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2745 | Intermediate Shaft Speed Sensor Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2746 | Intermediate Shaft Speed Sensor Circuit No Signal | Wiring issues, faulty sensor, control unit malfunction |
| P2747 | Output Shaft Speed Sensor Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2748 | Output Shaft Speed Sensor Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2749 | Output Shaft Speed Sensor Circuit No Signal | Wiring issues, faulty sensor, control unit malfunction |
| P2750 | Low Temperature Thermostat Control Circuit/Open | Wiring issues, faulty thermostat, control unit malfunction |
| P2751 | Low Temperature Thermostat Control Circuit Range/Performance | Wiring issues, faulty thermostat, control unit malfunction |
| P2752 | Low Temperature Thermostat Control Circuit Low | Wiring issues, faulty thermostat, control unit malfunction |
| P2753 | Low Temperature Thermostat Control Circuit High | Wiring issues, faulty thermostat, control unit malfunction |
| P2754 | Fuel Cooler Control Circuit/Open | Wiring issues, faulty cooler, control unit malfunction |
| P2755 | Fuel Cooler Control Circuit Range/Performance | Wiring issues, faulty cooler, control unit malfunction |
| P2756 | Fuel Cooler Control Circuit Low | Wiring issues, faulty cooler, control unit malfunction |
| P2757 | Fuel Cooler Control Circuit High | Wiring issues, faulty cooler, control unit malfunction |
| P2758 | Exhaust Fluid Temperature Sensor Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2759 | Exhaust Fluid Temperature Sensor Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2760 | Torque Converter Clutch PWM Control Circuit | Wiring issues, faulty clutch, control unit malfunction |
| P2761 | Torque Converter Clutch PWM Control Circuit Range/Performance | Wiring issues, faulty clutch, control unit malfunction |
| P2762 | Torque Converter Clutch PWM Control Circuit No Signal | Wiring issues, faulty clutch, control unit malfunction |
| P2763 | Torque Converter Clutch PWM Control Circuit High | Wiring issues, faulty clutch, control unit malfunction |
| P2764 | Torque Converter Clutch PWM Control Circuit Low | Wiring issues, faulty clutch, control unit malfunction |
| P2765 | Input Turbine Speed Sensor ‘B’ Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2766 | Input Turbine Speed Sensor ‘B’ Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2767 | Input Turbine Speed Sensor ‘B’ Circuit No Signal | Wiring issues, faulty sensor, control unit malfunction |
| P2768 | Lock Up Torque Converter Clutch Circuit | Wiring issues, faulty clutch, control unit malfunction |
| P2769 | Lock Up Torque Converter Clutch Circuit Low | Wiring issues, faulty clutch, control unit malfunction |
| P2770 | Lock Up Torque Converter Clutch Circuit High | Wiring issues, faulty clutch, control unit malfunction |
| P2771 | Four Wheel Drive (4WD) Low Switch Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2772 | Four Wheel Drive (4WD) Low Switch Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2773 | Four Wheel Drive (4WD) Low Switch Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2774 | Four Wheel Drive (4WD) Low Switch Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2775 | Four Wheel Drive (4WD) Clutch Lock Up | Wiring issues, faulty clutch, control unit malfunction |
| P2776 | Four Wheel Drive (4WD) Clutch Lock Up Circuit Low | Wiring issues, faulty clutch, control unit malfunction |
| P2777 | Four Wheel Drive (4WD) Clutch Lock Up Circuit High | Wiring issues, faulty clutch, control unit malfunction |
| P2778 | Exhaust Gas Temperature Sensor Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2779 | Intercooler Coolant Pump Control Circuit Range/Performance | Wiring issues, faulty pump, control unit malfunction |
| P2780 | Torque Converter Speed Ratio | Wiring issues, faulty transmission, control unit malfunction |
| P2781 | Torque Converter Turbine/Input Speed Sensor ‘A’ Circuit Intermittent | Wiring issues, faulty sensor, control unit malfunction |
| P2782 | Torque Converter Turbine/Input Speed Sensor ‘B’ Circuit Intermittent | Wiring issues, faulty sensor, control unit malfunction |
| P2783 | Torque Converter Temperature Too High | Wiring issues, faulty transmission, control unit malfunction |
| P2784 | Input Turbine Shaft Speed Sensor Comparison | Wiring issues, faulty sensor, control unit malfunction |
| P2785 | Exhaust Valve Control Solenoid ‘A’ Circuit/Open | Wiring issues, faulty solenoid, control unit malfunction |
| P2786 | Exhaust Valve Control Solenoid ‘A’ Circuit Low | Wiring issues, faulty solenoid, control unit malfunction |
| P2787 | Exhaust Valve Control Solenoid ‘A’ Circuit High | Wiring issues, faulty solenoid, control unit malfunction |
| P2788 | Auto Shift Manual Adaptive Learning Not Completed | Wiring issues, faulty transmission, control unit malfunction |
| P2789 | Clutch Adaptive Learning At Limit | Wiring issues, faulty transmission, control unit malfunction |
| P2790 | Transmission Fluid Auxiliary Pump Motor Control Circuit/Open | Wiring issues, faulty pump, control unit malfunction |
| P2791 | Transmission Fluid Auxiliary Pump Motor Control Circuit Low | Wiring issues, faulty pump, control unit malfunction |
| P2792 | Transmission Fluid Auxiliary Pump Motor Control Circuit High | Wiring issues, faulty pump, control unit malfunction |
| P2793 | Gear Shift Direction Circuit Range/Performance | Wiring issues, faulty transmission, control unit malfunction |
| P2794 | Gear Shift Direction Circuit Low | Wiring issues, faulty transmission, control unit malfunction |
| P2795 | Gear Shift Direction Circuit High | Wiring issues, faulty transmission, control unit malfunction |
| P2796 | Motor/Generator Inverter Temperature Sensor Circuit | Wiring issues, faulty sensor, control unit malfunction |
| P2797 | Motor/Generator Inverter Temperature Sensor Circuit Range/Performance | Wiring issues, faulty sensor, control unit malfunction |
| P2798 | Motor/Generator Inverter Temperature Sensor Circuit Low | Wiring issues, faulty sensor, control unit malfunction |
| P2799 | Motor/Generator Inverter Temperature Sensor Circuit High | Wiring issues, faulty sensor, control unit malfunction |
| P2800 | Transmission Range Switch ‘P’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2801 | Transmission Range Switch ‘P’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2802 | Transmission Range Switch ‘P’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2803 | Transmission Range Switch ‘P’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2804 | Transmission Range Switch ‘N’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2805 | Transmission Range Switch ‘N’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2806 | Transmission Range Switch ‘N’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2807 | Transmission Range Switch ‘N’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2808 | Transmission Range Switch ‘D’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2809 | Transmission Range Switch ‘D’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2810 | Transmission Range Switch ‘D’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2811 | Transmission Range Switch ‘D’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2812 | Transmission Range Switch ‘R’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2813 | Transmission Range Switch ‘R’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2814 | Transmission Range Switch ‘R’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2815 | Transmission Range Switch ‘R’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2816 | Transmission Fluid Pressure Switch ‘A’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2817 | Transmission Fluid Pressure Switch ‘A’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2818 | Transmission Fluid Pressure Switch ‘A’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2819 | Transmission Fluid Pressure Switch ‘A’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2820 | Transmission Fluid Pressure Switch ‘B’ Circuit | Wiring issues, faulty switch, control unit malfunction |
| P2821 | Transmission Fluid Pressure Switch ‘B’ Circuit Range/Performance | Wiring issues, faulty switch, control unit malfunction |
| P2822 | Transmission Fluid Pressure Switch ‘B’ Circuit Low | Wiring issues, faulty switch, control unit malfunction |
| P2823 | Transmission Fluid Pressure Switch ‘B’ Circuit High | Wiring issues, faulty switch, control unit malfunction |
| P2824 | Transmission Fluid Pressure Switch ‘C’ Circuit | Wiring issues, faulty switch, control unit malfunction |
