CEM-1A62

Condition
If the central electronic module (CEM) registers that communication with the engine control module (ECM) does not work, diagnostic trouble code CEM-1A62 is displayed.

Condition
None

Possible source
- No power supply to ECM control unit
- Contact resistance in the connectors
- Open circuit on the CAN bus
- Defective ECM control unit.

Condition
- Engine does not start
- Engine stalls
- The engine has reduced power.