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C1200 C0xxx · シャシ (C) 重大度中
ABS / Traction Control System Disabled (Torque Request Rejected)
The chassis module asked the engine ECU to reduce torque and the request was refused or timed out — usually a network or coding issue between modules.
重大度の目安: 中 — 走行性または排出ガスに影響。今週中に点検を予約してください
確認できる症状
- Traction and stability lamps on
- Wheelspin not controlled
- No codes in the engine ECU
主な原因
可能性の高い順に並んでいます。上から順に確認してください。
- 1 CAN communication fault between ABS and engine ECU
- 2 Coding mismatch after module replacement
- 3 Engine ECU faults preventing torque intervention
- 4 Software incompatibility
点検・修理の手順
費用が安く侵襲の小さい項目から — これらのコードの大半は部品の問題ではありません。
- ✓ Scan both the ABS and engine ECUs and compare their views of the torque request.
- ✓ Check coding and variant data in both modules.
- ✓ Verify CAN termination and look for accompanying U-codes.
- ✓ Check for applicable software updates.
修理の選択肢
- Correct module coding
- Repair the CAN wiring
- Apply software updates
C1200 — よくあるご質問
Is anything physically broken? +
Usually not. This is a communication or configuration problem between two healthy modules.
Can I still drive normally? +
Yes, but wheelspin and stability intervention will not be managed. Take care in slippery conditions.