DTC P0A7E GMC
LIN 1 Bus
LIN 1 Bus
Description
The Powertrain Control Module (PCM) has lost communication with the Charge Air Cooler (CAC) Coolant Pump.
Cause and Solution
FUSED B+ CIRCUIT OPEN HIGH RESISTANCELIN BUS CIRCUIT SHORTED TO VOLTAGELIN BUS CIRCUIT SHORTED TO GROUNDLIN BUS CIRCUIT OPEN HIGH RESISTANCEWATER PUMP RELAY OUTPUT CIRCUIT OPEN HIGH RESISTANCECAC COOLANT PUMP GROUND CIRCUIT OPEN HIGH RESISTANCEWATER PUMP RELAYCHARGE AIR COOLER COOLANT PUMPPOWERTRAIN CONTROL MODULE (PCM)
Video Guide
Diagnostic Info
- DTC Code: P0A7E
- Brand: GMC