FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information ECM-730B

Condition




The engine control module (ECM) checks the signals for gear position sensor positions P and N.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects a difference between the directly connected signal and the signal via CAN communication for the gear position sensor position.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
- Signal via CAN communication is used.

Possible source
- Short-circuit to ground or supply voltage in the signal cable
- Open-circuit in the signal cable
- Fault trace the transmission control module (TCM).

Fault symptom[s]
- The starter motor does not turn.