CEM-DF13

Condition
If central electronic module (CEM) registers that CAN H on the high-speed network is short circuited to voltage supply, diagnostic trouble code CEM-DF13 is displayed.

Condition
Transmission control module continues in Limp Home mode.

Possible source
- Short circuit to voltage supply on the high-speed network
- Contact resistance in the connectors.

Condition
- Deterioration in performance
- Poor response from accelerator
- Radio interference.