P0700 (11) - Internal TCM

Name of Code:
P0700 (11) - Internal Controller

When monitored:
Whenever the key is in the Run or Run/Start position.

Set Condition:
This code is set whenever Transmission Control Module (TCM) senses an internal error


Theory of Operation:
The TCM is constantly monitoring it's internal processor. If an internal problem is detected, this DTC will be set. This DTC can also be set by a bad ground to the TCM and/or Trans Control Relay. In fact, this DTC is rarely set due to a TCM error, it is usually set by a poor ground.

Transmission Effects:
The MIL will illuminate and the transmission system will default to the Immediate Shutdown routine.

Possible Causes:
- TCM ground circuit. (check main ground attachment to engine block)
- Relay ground circuit. (check main ground attachment to engine block)
- TCM