A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts
EC421
The CAN signals sent from control unit Suspension system are incomplete.
Possible cause:
- N51/2 (ABC control module)
Affected functions:
- CAN Communication
- Automatic transmission Function
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Test 1: Fault in CAN communication with control unit N51/2 (ABC control module).
1. Fault in CAN communication with control unit N51/2 (ABC control module).
Operation number of operation texts and work units or standard texts and flat rates:27-0641WARNING
- This is not a function error of control module Y3/8n4 (Fully integrated transmission control (VGS) control unit) and does not justify
replacement.
Possible cause for the entry of this event code
- Operational fault of component N51/2 (ABC control module)
Possible measures
- Read out fault memory of control unit N51/2 (ABC control module).
- Process displayed fault codes in control module N51/2 (ABC control module).
End of test
