DTC P1639 Chevrolet
Movement Sensor
Movement Sensor
Description
Diagnostic trouble code (DTC) GLA-451 is stored if the control module registers that the movement sensor self-test pulse is missing when the alarm is powered up, armed or disarmed.
Cause and Solution
Short-circuit to ground or supply voltage in communication cable.Open-circuit in communication cable.Interference affecting communication cable.Fault in movement sensor power supply.Open-circuit in movement sensor ground lead.Internal fault in movement sensor.
Video Guide
Diagnostic Info
- DTC Code: P1639
- Brand: Chevrolet