Diagnostic trouble code (DTC) information

Control circuit for VGLA 

Condition 

Fig 1: Identifying Indicator Lamps

Courtesy of VOLVO CARS OF NORTH AMERICA.

Diagnostic trouble code (DTC) IMM-336 is stored if the signal between the immobilizer control module and the control module for locking and alarm is too low.

Possible Source 

• Short-circuit to ground or voltage in the cable between the immobilizer control module and the VGLA control module.

Fault symptom[s] 

• The indicator lamp on the combined instrument panel lights.