1.1.3.4.1.8. Steering column module
Warning!Communication with ECU required.
2. Chassis CAN bus
Warning!Communication with ECU required.
3. Central CAN bus
Warning!Communication with ECU required.
4. CAN communication is faulty.
Test 4.1: Check the CAN communication with control unit A1 (Instrument cluster).
4.1. Check the CAN communication with control unit A1 (Instrument cluster).
Test 4.1.1: Check the CAN communication with control unit.
4.1.1. Check the CAN communication with control unit.
Warning!Communication with ECU required.
2089
The mixture in the right cylinder bank is too lean in the partial load range.
Possible cause:
- Selfadaptation of mixture formation
Affected functions:
- Engine diagnosis
- Engine output
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Test 1: Check self-adaptation of mixture formation. Right cylinder bank
1. Check self-adaptation of mixture formation. Right cylinder bank
Test sequence
- Check actual value Selfadaptation of mixture formation.
- Carry out the following tests.
Continue with button F2
Warning!Communication with ECU required.
2090
The mixture in the right cylinder bank is too rich in the partial load range.
Possible cause:
- Selfadaptation of mixture formation
Affected functions:
- Engine diagnosis
- Engine output
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