Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
2Original wording in English
CHEVROLET
This Bulletin provides information to diagnose a Loss of Propulsion or No Start with the MIL ON and DTC P0A45 or P1B04 set.
CHEVROLET, GMC
This Preliminary information communicates the steps on diagnosing the concern of the vehicle will no start/no crank and may have DTC Codes P0A45, P0C61, P0A46, P1B04.. Condition may be cause by a poor crimp on terminal 20 at transmission 24 way pass through connector X176.
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.