Retrieving Codes
WARNING: This page is about a different car, the 1996 Mercedes-Benz E320 and 1996 Mercedes-Benz E300. However, it is still accessible from the selected car via links, so may be relevant.
Using Adapter Harness (965 589 00 40 00), connect Hand-Held Tester (965 589 00 01 00) to data link connector. Retrieve and record codes from combination control module using manufacturers instructions. Perform appropriate system test. See DTC IDENTIFICATION CHART table.
DTC IDENTIFICATION CHART
| Code | Possible Cause | Step |
| B1000 | Combination Control Module (CCM) | Replace CCM |
| B1010 | Low Voltage | Check charging system and repair as neccessary. |
| B1011 | Excess Voltage | Check charging system and repair as neccessary. |
| B1013 | Circuit 15R | TEST 2 and TEST 3 |
| B1014 | Circuit 49 Travel Direction (No Voltage Circuit 15) | TEST 26 |
| B1021 | CAN Data Line Communication With PSE (Pneumatic System Equipment) Interrupted | Check CAN data lines between Pneumatic System Equipment (PSE) control module and combination control module. See WIRING DIAGRAMS in DOOR LOCKS - PNEUMATIC & POWER article. |
| B1024 | CAN Low-Interior Bus Circuit Open Or Short | Check CAN data lines between Pneumatic System Equipment (PSE) control module and combination control module. See WIRING DIAGRAMS in DOOR LOCKS - PNEUMATIC & POWER article. |
| B1025 | CAN High-Interior Bus Circuit Open Or Short | Check CAN data lines between Pneumatic System Equipment (PSE) control module and combination control module. See WIRING DIAGRAMS in DOOR LOCKS - PNEUMATIC & POWER article. |
| B1115 | Rear Defogger Switch Short To Voltage | TEST 22 |
| B1217 | Rain Sensor Communication Interrupted | TEST 16 |
| B1406 | Dome Light Control Wire Short To Voltage | TEST 18 |
| B1407 | Entrance/Exit Light Short To Voltage | TEST 19 |