TCM-012B
TCM-012B Neutral Check, No Neutral Check
Condition
The driving section of the transmission is disengaged when certain conditions are met:
- Stationary
- Engine idling
- Stop pedal depressed
- Gear position D, 3 or 4. The function decreases fuel consumption and vibration from the transmission when running the engine at idle speed. Diagnostic Trouble Code (DTC) TCM-012B is stored if the Transmission Control Module (TCM) registers that clutch C1 does not engage.
Substitute value
- None.
Possible source
- Shift solenoid SLS has jammed in the OFF position
- Internal fault in the transmission
- Internal fault in the control module.
Fault symptom[s]
- General orange warning lamp lit
- Malfunction Indicator Lamp (MIL) lit.