DTC P2127 Buick
LOST COMMUNICATION WITH TRAILER LIGHTING MODULE
LOST COMMUNICATION WITH TRAILER LIGHTING MODULE
Description
With the ignition on. Battery voltage between 10 and 16 volts. Ignition Off Draw (IOD) fuse installed. Front Control Module (FCM) is configured correctly. Bus messages not received from the Trailer Lighting Module (TM) for approximately two to five seconds
Cause and Solution
CAN B BUS CIRCUITS OPENDTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGESFCM NOT CONFIGURED CORRECTLY(A114) FUSED B(+) CIRCUIT OPEN OR SHORTED(Z909) GROUND CIRCUIT OPENTRAILER LIGHTING MODULE (TM)FRONT CONTROL MODULE (FCM)
Video Guide
Diagnostic Info
- DTC Code: P2127
- Brand: Buick