CEM-1A5D

Condition
If the central electronic module (CEM) registers that communication with the electronic throttle module (ETM) does not work, diagnostic trouble code CEM-1A5D is displayed.

Condition
Preset value for speed is displayed.

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

Condition
- Poor response from accelerator
- No response from accelerator.