Mercedes Benz Troubleshooting Codes: Your Ultimate Guide
Mercedes Benz Troubleshooting Codes are essential for diagnosing and repairing your vehicle. At CARDIAGTECH.NET, we provide comprehensive information and solutions to help you understand and resolve these codes, ensuring your Mercedes runs smoothly and efficiently.
Table of Contents
- Understanding Mercedes Benz Troubleshooting Codes
- Common Mercedes Error Messages Explained
- Decoding Mercedes Fault Codes: A Comprehensive List
- FAQ: Your Questions About Mercedes Troubleshooting Codes Answered
- CARDIAGTECH.NET: Your Partner in Mercedes Benz Diagnostics
1. Understanding Mercedes Benz Troubleshooting Codes
Mercedes Benz vehicles are equipped with advanced onboard computer systems that monitor hundreds of individual components, sensors, and variables to ensure optimal performance. These systems automatically correct deviations to enhance shifting, braking, traction, stability, safety, and other vital vehicle parameters. When a malfunction occurs, the Mercedes system logs a fault code, also known as a Diagnostic Trouble Code (DTC). According to a study by the University of California, Berkeley, the complexity of modern vehicle systems necessitates precise diagnostic tools to accurately identify and resolve issues. This is where understanding Mercedes Benz diagnostic codes becomes invaluable.
These fault codes trigger dashboard warning lights such as “Check Engine,” “Brake,” or “Temperature,” providing initial alerts. However, these warnings often lack the specific details needed for a proper diagnosis. For example, a “Check Engine” light could indicate anything from a loose gas cap to a severe engine problem. A detailed understanding of Mercedes diagnostic trouble codes is crucial for pinpointing the exact issue.
Here’s what you need to know:
- What are Fault Codes? Fault codes, or DTCs, are system-generated error codes that identify malfunctioning components within your Mercedes Benz.
- Why are They Important? These codes provide crucial information for diagnosing and repairing your vehicle, helping technicians quickly identify the source of the problem.
- How are They Generated? The onboard computer monitors various systems and sensors; when a deviation or malfunction is detected, a corresponding code is stored.
- How to Access Them? Accessing these codes requires diagnostic equipment that can connect to your vehicle’s ODB-II port.
Equipping yourself with the knowledge of Mercedes diagnostic codes, such as engine fault codes and specific Mercedes error codes, enables you to communicate effectively with technicians and ensure that repairs are accurate and efficient.
2. Common Mercedes Error Messages Explained
Understanding the common Mercedes error messages can help you quickly identify potential issues and take appropriate action. Here are a couple of the most frequent fault codes encountered in Mercedes vehicles.
Mercedes Fault Code: P261F71
This fault code indicates a malfunction in the output of the circulation pump, specifically that the actuator is blocked. According to research from the Bosch Automotive Handbook, issues with coolant circulation can severely impact engine performance and longevity.
| Fault Code Meaning: | The output for the circulation pump has a malfunction. The actuator is blocked. |
|---|---|
| Known Problem Of: | Mercedes Sprinter Vans |
| Likely Causes: | Coolant intrusion into the vacuum system via the water pump. |
| What’s Happening?: | On the OM651 4 Cylinder Diesel Engine, the coolant water pump is vacuum actuated. The internal seal in the water pump fails, allowing coolant (antifreeze) to enter the vacuum system. This coolant is then drawn deeper into the system, causing widespread issues. |
| Possible Symptoms You May Experience | Check Engine Light, reduced acceleration, coolant leak, brake pedal pressure issues, engine overheating. |
| Parts That Could Need Replacement: | Water pump, coolant, seals, tubes, hoses, vacuum actuators, vacuum pump. |
| System(s) Affected: | Engine, Cooling System, Vacuum System, Turbocharging, Brake System. |
| Severity: | Very severe if left unfixed. Repair requires a master-level technician. |
Actionable Steps:
- Check Coolant Levels: Regularly monitor your coolant levels and look for any signs of leakage.
- Inspect Vacuum Lines: Check the vacuum lines for coolant intrusion or damage.
- Professional Inspection: Bring your vehicle to CARDIAGTECH.NET or a trusted Mercedes specialist for a thorough inspection and repair. Contact us at +1 (641) 206-8880 or visit our location at 276 Reock St, City of Orange, NJ 07050, United States.
Mercedes Fault Code: P126A00 OM642 Engine Oil Cooler Leak
This code indicates a faulty intake port shutoff actuator. The issue is commonly found in Mercedes Sprinter Vans. According to a study by the American Society of Mechanical Engineers, intake manifold issues can significantly reduce engine efficiency and power.
| Fault Code Meaning: | Intake Port Shutoff Actuator is faulty. |
|---|---|
| Known Problem Of: | Mercedes Sprinter Vans |
| Likely Causes: | Failure of the intake manifolds or the intake manifold actuator motor. |
| What’s Happening?: | Over time (50-100k miles), the inside of the intake manifolds gets clogged with EGR soot buildup, causing the intake swirl flaps to stick. This binding affects the motor, triggering the check engine light and loss of acceleration. |
| Possible Symptoms You May Experience | Loss of acceleration, check engine light. |
| Parts That Could Need Replacement: | Intake manifolds, intake manifold actuator motor. |
| System(s) Affected: | Engine. |
| Severity: | Very severe if left unfixed. Repair requires a master-level technician. |
Actionable Steps:
- Inspect Intake Manifolds: Check for soot buildup and ensure the swirl flaps move freely.
- Check Actuator Motor: Test the intake manifold actuator motor for proper function.
- Professional Service: Consult CARDIAGTECH.NET for professional diagnostics and repair services to address this issue effectively.
Understanding these common error messages and their potential causes can empower you to take proactive steps in maintaining your Mercedes Benz. Proper maintenance and timely repairs are essential to ensure your vehicle’s longevity and performance.
3. Decoding Mercedes Fault Codes: A Comprehensive List
To effectively troubleshoot your Mercedes Benz, understanding the various fault codes is essential. Here’s a detailed breakdown of common Mercedes fault codes, categorized by their respective series.
P0400 Mercedes Fault Codes Meaning
The P0400 series of fault codes typically relates to issues with the exhaust system and its components.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P0466 | Purge Flow Sensor Circuit Range/Performance |
| P0467 | Purge Flow Sensor Circuit Low Input |
| P0468 | Purge Flow Sensor Circuit High Input |
| P0469 | Purge Flow Sensor Circuit Intermittent |
| P0470 | Exhaust Pressure Sensor Malfunction |
| P0471 | Exhaust Pressure Sensor Range/Performance |
| P0472 | Exhaust Pressure Sensor Low |
| P0473 | Exhaust Pressure Sensor High |
| P0474 | Exhaust Pressure Sensor Intermittent |
| P0475 | Exhaust Pressure Control Valve Malfunction |
| P0476 | Exhaust Pressure Control Valve Range/Performance |
| P0477 | Exhaust Pressure Control Valve Low |
| P0478 | Exhaust Pressure Control Valve High |
| P0479 | Exhaust Pressure Control Valve Intermittent |
| P0480 | Cooling Fan 1 Control Circuit Malfunction |
| P0481 | Cooling Fan 2 Control Circuit Malfunction |
| P0482 | Cooling Fan 3 Control Circuit Malfunction |
| P0483 | Cooling Fan Rationality Check Malfunction |
| P0484 | Cooling Fan Circuit Over Current |
| P0485 | Cooling Fan Power/Ground Circuit Malfunction |
Troubleshooting Tips:
- Check Sensors: Inspect the purge flow and exhaust pressure sensors for damage or corrosion.
- Examine Valves: Ensure exhaust pressure control valves are functioning correctly.
- Cooling Fan: Verify the cooling fan circuits for continuity and proper operation.
P0500 Mercedes Fault Codes Meaning
The P0500 series often involves issues related to vehicle speed, idle control, and sensor malfunctions.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P0500 | Vehicle Speed Sensor Malfunction |
| P0501 | Vehicle Speed Sensor Range/Performance |
| P0502 | Vehicle Speed Sensor Low Input |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High |
| P0505 | Idle Control System Malfunction |
| P0506 | Idle Control System RPM Lower Than Expected |
| P0507 | Idle Control System RPM Higher Than Expected |
| P0510 | Closed Throttle Position Switch Malfunction |
| P0520 | Engine Oil Pressure Sensor/Switch Circuit Malfunction |
| P0521 | Engine Oil Pressure Sensor/Switch Circuit Range/Performance |
| P0522 | Engine Oil Pressure Sensor/Switch Circuit Low Voltage |
| P0523 | Engine Oil Pressure Sensor/Switch Circuit High Voltage |
| P0530 | A/C Refrigerant Pressure Sensor Circuit Malfunction |
| P0531 | A/C Refrigerant Pressure Sensor Circuit Range/Performance |
| P0532 | A/C Refrigerant Pressure Sensor Circuit Low Input |
| P0533 | A/C Refrigerant Pressure Sensor Circuit High Input |
| P0534 | Air Conditioner Refrigerant Charge Loss |
| P0550 | Power Steering Pressure Sensor Circuit Malfunction |
| P0551 | Power Steering Pressure Sensor Circuit Range/Performance |
| P0552 | Power Steering Pressure Sensor Circuit Low Input |
| P0553 | Power Steering Pressure Sensor Circuit High Input |
| P0554 | Power Steering Pressure Sensor Circuit Intermittent |
| P0560 | System Voltage Malfunction |
| P0561 | System Voltage Unstable |
| P0562 | System Voltage Low |
| P0563 | System Voltage High |
| P0565 | Cruise Control On Signal Malfunction |
| P0566 | Cruise Control Off Signal Malfunction |
| P0567 | Cruise Control Resume Signal Malfunction |
| P0568 | Cruise Control Set Signal Malfunction |
| P0569 | Cruise Control Coast Signal Malfunction |
| P0570 | Cruise Control Accel Signal Malfunction |
| P0571 | Cruise Control/Brake Switch A Circuit Malfunction |
| P0572 | Cruise Control/Brake Switch A Circuit Low |
| P0573 | Cruise Control/Brake Switch A Circuit High |
| P0574 | Cruise Control Related Malfunction |
| P0575 | Cruise Control Related Malfunction |
| P0576 | Cruise Control Related Malfunction |
| P0576 | Cruise Control Related Malfunction |
| P0578 | Cruise Control Related Malfunction |
| P0579 | Cruise Control Related Malfunction |
| P0580 | Cruise Control Related Malfunction |
Troubleshooting Tips:
- Speed Sensor: Check the vehicle speed sensor for proper installation and wiring integrity.
- Idle Control: Inspect the idle control valve for cleanliness and functionality.
- System Voltage: Verify the battery voltage and charging system for stability.
P0600 Mercedes Fault Codes Meaning
The P0600 series typically involves malfunctions within the control modules and communication links.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P0600 | Serial Communication Link Malfunction |
| P0601 | Internal Control Module Memory Check Sum Error |
| P0602 | Control Module Programming Error |
| P0603 | Internal Control Module Keep Alive Memory (KAM) Error |
| P0604 | Internal Control Module Random Access Memory (RAM) Error |
| P0605 | Internal Control Module Read Only Memory (ROM) Error |
| P0606 | PCM Processor Fault |
| P0608 | Control Module VSS Output “A” Malfunction |
| P0609 | Control Module VSS Output “B” Malfunction |
| P0620 | Generator Control Circuit Malfunction |
| P0621 | Generator Lamp “L” Control Circuit Malfunction |
| P0622 | Generator Field “F” Control Circuit Malfunction |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit Malfunction |
| P0654 | Engine RPM Output Circuit Malfunction |
| P0655 | Engine Hot Lamp Output Control Circuit Malfunction |
| P0656 | Fuel Level Output Circuit Malfunction |
Troubleshooting Tips:
- Communication Links: Check the serial communication links for any breaks or shorts.
- Control Modules: Verify the control modules for proper programming and memory integrity.
- Generator Circuit: Inspect the generator control circuits for continuity and proper voltage.
P0700 Mercedes Fault Codes Meaning
The P0700 series primarily deals with issues in the transmission control system, including sensor malfunctions and gear ratio problems.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P0700 | Transmission Control System Malfunction |
| P0701 | Transmission Control System Range/Performance |
| P0702 | Transmission Control System Electrical |
| P0703 | Torque Converter/Brake Switch B Circuit Malfunction |
| P0704 | Clutch Switch Input Circuit Malfunction |
| P0705 | Transmission Range Sensor Circuit malfunction (PRNDL Input) |
| P0706 | Transmission Range Sensor Circuit Range/Performance |
| P0707 | Transmission Range Sensor Circuit Low Input |
| P0708 | Transmission Range Sensor Circuit High Input |
| P0709 | Transmission Range Sensor Circuit Intermittent |
| P0710 | Transmission Fluid Temperature Sensor Circuit Malfunction |
| P0711 | Transmission Fluid Temperature Sensor Circuit Range/Performance |
| P0712 | Transmission Fluid Temperature Sensor Circuit Low Input |
| P0713 | Transmission Fluid Temperature Sensor Circuit High Input |
| P0714 | Transmission Fluid Temperature Sensor Circuit Intermittent |
| P0715 | Input/Turbine Speed Sensor Circuit Malfunction |
| P0716 | Input/Turbine Speed Sensor Circuit Range/Performance |
| P0717 | Input/Turbine Speed Sensor Circuit No Signal |
| P0718 | Input/Turbine Speed Sensor Circuit Intermittent |
| P0719 | Torque Converter/Brake Switch B Circuit Low |
| P0720 | Output Speed Sensor Circuit Malfunction |
| P0721 | Output Speed Sensor Range/Performance |
| P0722 | Output Speed Sensor No Signal |
| P0723 | Output Speed Sensor Intermittent |
| P0724 | Torque Converter/Brake Switch B Circuit High |
| P0725 | Engine Speed Input Circuit Malfunction |
| P0726 | Engine Speed Input Circuit Range/Performance |
| P0727 | Engine Speed Input Circuit No Signal |
| P0728 | Engine Speed Input Circuit Intermittent |
| P0730 | Incorrect Gear Ratio |
| P0731 | Gear 1 Incorrect Ratio |
| P0732 | Gear 2 Incorrect Ratio |
| P0733 | Gear 3 Incorrect Ratio |
| P0734 | Gear 4 Incorrect Ratio |
| P0735 | Gear 5 Incorrect Ratio |
| P0736 | Reverse Incorrect Gear Ratio |
| P0740 | Torque Converter Clutch Circuit Malfunction |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off |
| P0742 | Torque Converter Clutch Circuit Stuck On |
| P0743 | Torque Converter Clutch Circuit Electrical |
| P0744 | Torque Converter Clutch Circuit Intermittent |
| P0745 | Pressure Control Solenoid Malfunction |
| P0746 | Pressure Control Solenoid Performance or Stuck Off |
| P0747 | Pressure Control Solenoid Stuck On |
| P0748 | Pressure Control Solenoid Electrical |
| P0749 | Pressure Control Solenoid Intermittent |
| P0750 | Shift Solenoid A Malfunction |
| P0751 | Shift Solenoid A Performance or Stuck Off |
| P0752 | Shift Solenoid A Stuck On |
| P0753 | Shift Solenoid A Electrical |
| P0754 | Shift Solenoid A Intermittent |
| P0755 | Shift Solenoid B Malfunction |
| P0756 | Shift Solenoid B Performance or Stuck Off |
| P0757 | Shift Solenoid B Stuck On |
| P0758 | Shift Solenoid B Electrical |
| P0759 | Shift Solenoid B Intermittent |
| P0760 | Shift Solenoid C Malfunction |
| P0761 | Shift Solenoid C Performance or Stuck Off |
| P0762 | Shift Solenoid C Stuck On |
| P0763 | Shift Solenoid C Electrical |
| P0764 | Shift Solenoid C Intermittent |
| P0765 | Shift Solenoid D Malfunction |
| P0766 | Shift Solenoid D Performance or Stuck Off |
| P0767 | Shift Solenoid D Stuck On |
| P0768 | Shift Solenoid D Electrical |
| P0769 | Shift Solenoid D Intermittent |
| P0770 | Shift Solenoid E Malfunction |
| P0771 | Shift Solenoid E Performance or Stuck Off |
| P0772 | Shift Solenoid E Stuck On |
| P0773 | Shift Solenoid E Electrical |
| P0774 | Shift Solenoid E Intermittent |
| P0780 | Shift Malfunction |
| P0781 | 1-2 Shift Malfunction |
| P0782 | 2-3 Shift Malfunction |
| P0783 | 3-4 Shift Malfunction |
| P0784 | 4-5 Shift Malfunction |
| P0785 | Shift/Timing Solenoid Malfunction |
| P0786 | Shift/Timing Solenoid Range/Performance |
| P0787 | Shift/Timing Solenoid Low |
| P0788 | Shift/Timing Solenoid High |
| P0789 | Shift/Timing Solenoid Intermittent |
| P0790 | Normal/Performance Switch Circuit Malfunction |
Troubleshooting Tips:
- Fluid Check: Ensure the transmission fluid level is adequate and in good condition.
- Sensor Inspection: Examine the input and output speed sensors for proper functionality.
- Solenoid Testing: Test the shift solenoids for electrical continuity and proper operation.
P0800 Mercedes Fault Codes Meaning
The P0800 series relates to issues within the transmission system, including clutch position and fluid pressure.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P0801 | Reverse Inhibit Control Circuit Malfunction |
| P0803 | 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction |
| P0804 | 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction |
| P0805 | Clutch Position Sensor Circuit Malfunction |
| P0806 | Clutch Position Sensor Circuit Range/Performance |
| P0807 | Clutch Position Sensor Circuit Low |
| P0808 | Clutch Position Sensor Circuit High |
| P0809 | Clutch Position Sensor Circuit Intermittent Ckt |
| P0810 | Clutch Position Control Malfunction |
| P0811 | Clutch Slippage Excessive |
| P0812 | Reverse Input Circuit Malfunction |
| P0813 | Reverse Output Circuit Malfunction |
| P0814 | Trans Range Display Circuit Malfunction |
| P0815 | Upshift Switch Circuit Malfunction |
| P0816 | Downshift Switch Circuit Malfunction |
| P0817 | Starter Disable Circuit |
| P0818 | Driveline Disconn. Switch Input |
| P0820 | Gear Lever X-Y Sensor Circuit |
| P0821 | Gear Lever X Sensor Circuit |
| P0822 | Gear Lever Y Sensor Circuit |
| P0823 | Gear Lever X Sensor Circuit Intermittent Ckt |
| P0824 | Gear Lever Y Sensor Circuit Intermittent Ckt |
| P0830 | Clutch Position Switch A Circuit Malfunction |
| P0831 | Clutch Position Switch A Circuit Low |
| P0832 | Clutch Position Switch A Circuit High |
| P0833 | Clutch Position Switch B Circuit Malfunction |
| P0834 | Clutch Position Switch B Circuit Low |
| P0835 | Clutch Position Switch B Circuit High |
| P0836 | 4 Wheel Drive Switch Circuit Malfunction |
| P0837 | 4 Wheel Drive Switch CKT Range/Perf |
| P0838 | 4 Wheel Drive Switch Circuit Low |
| P0839 | 4 Wheel Drive Switch Circuit High |
| P0840 | Trans Fluid Press Sensor/Switch A Circuit Malfunction |
| P0841 | Trans Fluid Press Sensor/Switch A CKT Range/Perf |
| P0842 | Trans Fluid Press Sensor/Switch A Circuit Low |
| P0843 | Trans Fluid Press Sensor/Switch A Circuit High |
| P0844 | Trans Fluid Press Sensor/Switch A CKT Intermittent |
| P0845 | Trans Fluid Press Sensor/Switch B Circuit Malfunction |
| P0846 | Trans Fluid Press Sensor/Switch B CKT Range/Perf |
| P0847 | Trans Fluid Press Sensor/Switch B Circuit Low |
| P0848 | Trans Fluid Press Sensor/Switch B Circuit High |
| P0849 | Trans Fluid Press Sensor/Switch B CKT Intermittent |
Troubleshooting Tips:
- Clutch Position Sensor: Inspect the clutch position sensor for correct alignment and wiring.
- Fluid Pressure: Verify the transmission fluid pressure with a diagnostic tool.
- Switch Circuits: Examine the switch circuits for continuity and proper signals.
P1000-P2000 Fault Codes Meaning
The P1000-P2000 series covers a wide range of issues, from electronic gear selector malfunctions to exhaust gas temperature sensor problems.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| P1000 | Electronic Gear Selector Module: Defective N15/5 |
| P1228 | Yet unknown code on 1997 C 220 CDI |
| P1386 | Knock control |
| P1570 | Intermittent No-Start Immobilizer Module |
| P1747 | Electronic Gear Selector Module: Defective Interaction of CAN with control unit A1 (instrument cluster) |
| P1750 | Electronic Gear Selector Module: Very low control unit supply voltage |
| P1832 | Electronic Gear Selector Module: SHORT in circuit N15/5 output stage |
| P1910 | Electronic Gear Selector Module: Control Unit over voltage |
| P1912 | Electronic Gear Selector Module: Weak touch push button voltage |
| P2000 | NOx Trap Efficiency Below Threshold (Bank 1) |
| P2001 | NOx Trap Efficiency Below Threshold (Bank 2) |
| P2003 | Particulate Trap Efficiency Below Threshold (Bank 1) |
| P2004 | Particulate Trap Efficiency Below Threshold (Bank 2) |
| P2031 | Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2) |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) |
| P2033 | Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) |
| P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1) |
| P2081 | Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 1) |
| P2100 | Throttle Actuator Control Motor Circuit/Open |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance |
| P2208 | Transmission: The speed of Y3/6n2 to Y3/6n3 is excessive |
Troubleshooting Tips:
- Gear Selector Module: Check the electronic gear selector module for defects and proper voltage supply.
- NOx Trap: Verify the efficiency of the NOx trap and inspect for any damage.
- Temperature Sensors: Inspect exhaust gas temperature sensors for correct readings and wiring.
Mercedes Body Fault Codes
Body fault codes in Mercedes vehicles relate to various components such as lighting, air conditioning, and seat adjustments.
| Mercedes Fault Code | Fault Code Meaning |
|---|---|
| B1000 | HRA Headlamp range adjustment: Supply voltage of the control unit is too low (undervoltage) |
| B1004 | LCP Lower Control Panel: Control unit does not match vehicle type |
| B1056 | Automatic Air Conditioning: Problem in CAN communication with control unit DCM-RL |
| B1201 | Electric seat adjustment front left: Hall sensor front height M27m3 |
| B1213 | If seat memory installed: ext right rearview mirror voltage faulty |
| B1214 | If seat memory installed: ext right rearview mirror voltage faulty |
| B1226 | In-car temperature sensor (B10/4) |
| B1227 | Outside temperature indicator temp sensor (014) |
| B1128 | Heater core temperature (B10/1) |
| B1229 | Heater core temperature (B10/1) |
| B1230 | Evaporator temperature sensor (B10/6) |
| B1231 | ECT sensor (B11/4) |
| B1232 | Refrigerant pressure sensor (B12) |
| B1233 | Refrigerant temperature sensor (B12/1) |
| B1234 | Sun sensor (B32) |
| B1235 | Emissions sensor (B31) |
| B1241 | Refrigerant Fill |
| B1246 | PTS Parktronic: A42b1 (left outer sensor, front bumper) The plug connection has poor contact or is loose, or the sensor or cable is faulty |
| B1310 | Left/Window airbag sensor is defective |
| B1315 | Problem in Front passenger child seat recognition |
| B1416 | Coolant circulation pump (M13) |
| B1417 | Duovalve (Y21y1), left |
| B1418 | Duovalve (Y21y2), right |
| B1419 | Electromagnetic clutch (A9k1) |
| B1420 | Idle speed increase |
| B1421 | Pulse module (N05) |
| B1422 | Series interface (K1) connection to instrument cluster (A1) |
| B1423 | Switchover valve block (Y11) |
| B1424 | Activated charcoal filler actuator (A32m2) open |
| B1425 | Activated charcoal filler actuator (A32m2) closed |
| B1432 | Non-USA DTC |
| B1459 | Series interface (K2) connection to instrument cluster (A1) |
| B1462 | Wide open throttle (WOT) position signal diesel engines |
| B1476 | Airbag malfunction indicator and warning lamp is defective |
| B1481 | HRA: Part E2m1 (Right headlamp range adjustment motor) has short to ground |
| B1489 | HRA: Part E2m1 (Right headlamp range adjustment motor) has open or short to positive |
| B1492 | HRA: Part E1m1 (Left headlamp range adjustment motor) has short to positive |
| B1617 | Part E19/1 (Left license plate lamp) is defective |
| B1618 | Part E19/2 (Right license plate lamp) is defective |
| B1628 | Part E2e5 (Turn signal lamp) in module E2 (Right front headlamp unit) is defective. |
| B1703 | Intermittent No Start in AAM Immobilizer Module |
| B1729 | PSE Pneumatic system door lock Control Module A37 |
| B1736 | Navigation system’s CD Player: Check General CD, Check CD data block, Flimsy CD data |
| B1768 | Faulty open data flap limit switch (0025) Front flap |
| B1773 | HRA: Zero position programming has not yet been carried out or is not possible |
| B1850 | Electric |
