Diagnostic Trouble Code (DTC) Information TCM-0A12

Condition 

Fig 1: Identifying Control Module/Gear-Shift Position Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

To ensure that the selected gear position is always correct, the gear selector cable must be correctly installed, adjusted and then calibrated.

The diagnostic trouble code (DTC) is stored if the transmission control module (TCM) registers a faulty signal from the gear position sensor.

Substitute Value 

• None.

Possible Source 

• Gear selector cable incorrectly installed
• The gear position sensor is not calibrated.

Fault symptom[s] 

• General warning lamp lit.