Kenworth Diagnostic Trouble Codes
This chart provides: a listing of possible CECU related diagnostic trouble codes (DTCs), detailing the following
- Diagnostic trouble codes (DTCs)
- Where the signal input is received
- Component affected
- Fault description
- Detailed summary including possible causes
For pinpoint tests and troubleshooting procedures, refer to the appropriate instrumentation service manual. In addition, the Electrical Service manual will contain location information for harnesses and the Air system manual will contain location information for air pressure sensors.
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