Without ESP, BAS & SPS
DIAGNOSTIC TROUBLE CODE LIST
| DTC | Possible Cause | Test step/Remedy |
|---|---|---|
| C 1000 | ESP/SPS Control Module (N47-5) | Replace control module |
| C 1010 | Battery Voltage Too Low Circuit 87 | Test Step 1.0-1.2 |
| C 1011 | ASR/ETS/ESP Hydraulic Unit Solenoid Valve Voltage Supply Open/Short Circuit | Step 2.0, see Test Step 2.0-5.0 and 22, see Test Step 20.0-22.0 |
| C 1020 | CAN Communication Faulty In General | Test Step 30.0-30.2 Check version coding of ME & ETC control modules, using HHT. |
| C 1022 | CAN Communication With Engine Control Module (ME-SFI, N30/10) Or Right Engine Control Module (ME-SFI, N3/12) Interrupted | Test Step 30.0-30.2 Read out DTC (ME-SFI) memory. Check version coding of ME control module, using HHT. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. |
| C 1023 | CAN Communication With Left Engine Control Module (ME-SFI, N3/11) Interrupted | Test Step 30.0-30.2 Read out DTC (ME-SFI) memory. Check version coding of ME control module, using HHT. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. |
| C 1024 | CAN Communication With Trans. Control Module (N15/3) Interrupted | Check Transmission Control Module, section 12. Check version coding of ME control module, using HHT. |
| C 1100 | Left Front Axle VSS Sensor (L6/1) Open Circuit, Loose Contact Or Implausible Rotor with incorrect tooth count, dirt accumulation on or damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying brakes or driving vehicle on a dynamometer, erase DTC. |
Step 13, see Test Step 12.0-13.2 |
| C 1101 | Right Front Axle VSS Sensor (L6/2) Open Circuit, Loose Contact Or Implausible Rotor with incorrect tooth count, dirt accumulation on or damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying brakes or driving vehicle on a dynamometer, erase DTC. |
Step 15, see Test Step 14.0-15.2 |
| C 1102 | Left Rear Axle VSS Sensor (L6/3) Open Circuit, Loose Contact Or Implausible Rotor with incorrect tooth count, dirt accumulation on or damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying brakes or driving vehicle on a dynamometer, erase DTC. |
Step 17, see Test Step 16.0-17.2 |
| C 1103 | Right Rear Axle VSS Sensor (L6/4) Open Circuit, Loose Contact Or Implausible Rotor with incorrect tooth count, dirt accumulation on or damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying brakes or driving vehicle on a dynamometer, erase DTC. |
Step 19, see Test Step 18.0-19.2 |
| C 1120 | ESP Yaw Sensor (N64) Signal Wire Open/Short Circuit Or Reference Wire Open/Short Circuit | Step 28, see Test Step 26.1-28.0 |
| C 1140 | Steering Angle Sensor (N49) Open/Short Circuit Or Initialization | Step 19, see Test Step 28.1-29.2 |
| C 1141 | ESP Brake Pressure Sensor (B34) | Step 9, see Test Step 8.1-11.1 Step 27, see Test Step 26.1-28.0 |
| C 1142 | ABS Lateral Acceleration Sensor (B24/2) Open/Short Circuit | Step 26, see Test Step 24.3-26.0 |
| C 1200 | Stop Lamp Switch (4 Pole) (S9/1) Open/Short Circuit Or Implausible | Test Step 6.0-8.0 |
| C 1300 | Left Front Axle Solenoid Valve (Hold) (A7/3y6) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1301 | Left Front Axle Solenoid Valve (Release) (A7/3y7) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1302 | Right Front Axle Solenoid Valve (Hold) (A7/3y8) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1303 | Right Front Axle Solenoid Valve (Release) (A7/3y9) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1304 | Left Rear Axle Solenoid Valve (Hold) (A7/3y10) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1305 | Left Rear Axle Solenoid Valve (Release) (A7/3y11) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1306 | Right Rear Axle Solenoid Valve (Hold) (A7/3y12) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1307 | Right Rear Axle Solenoid Valve (Release) (A7/3y13) Open/Short Circuit | Test Step 23.0-23.3 |
| C 1308 | Front Axle Precharge Solenoid Valve (A7/3y16) Open/Short Circuit | Step 24, see Test Step 23.8-24.2 |
| C 1309 | Rear Axle Precharge Solenoid Valve (A7/3y17) Open/Short Circuit | Step 24, see Test Step 23.8-24.2 |
| C 1310 | Front Axle Switchover Valve (A7/3y18) open Short Circuit | Step 24, see Test Step 23.8-24.2 |
| C 1311 | Rear Axle Switchover (A7/3y19) open Short Circuit | Step 24, see Test Step 23.8-24.2 |
| C 1312 | Master Brake Cylinder Switchover Valve (Y61) | Step 8, see Test Step 6.0-8.0 |
| C 1313 | ASR/ETS/ESP Hydraulic Unit Solenoid Valve Relay (A7/3k1) | Replace control module (N47-5) |
| C 1400 | ASR/ESP Charging Pump (M15) Open/Short Circuit | Step 9, see Test Step 8.1-11.1 |
| C 1401 | ASR/ETS/ESP Hydraulic Unit High Pressure/Return Pump (A7/3m1) Open/Short Circuit Or Does Not Turn Off | Steps 10 and 11, see Test Step 8.1-11.1 |
| C 1500 | VSS (L6/1/2/3/4) Implausible Rotor with incorrect tooth count, dirt accumulation on or damage to rotor, incorrect rear axle ratio, wrong wheel or tire size. If DTC appears only after repair work, it may be caused by applying brakes or driving vehicle on a dynamometer, erase DTC. |
Steps 13, 15, 17 and 19, see Test Step 12.0-13.2 , Test Step 14.0-15.2 , Test Step 16.0-17.2 and Test Step 18.0-19.2 |
| C 1501 | SPS "P" Valve (Y10) | Test Step 12.0-13.2 |
| C 1503 | Pressure Transfer Piston Unit | Check condition of rear brake pads, Pressure transfer piston unit |
| C 1504 | System Has Turned Off | Steering angle sensor (N49) not initialized. Step 29, see Test Step 28.1-29.2 Low voltage to ESP yaw rate sensor (N64). Step 28, see Test Step 26.1-28.0 |