P1AC7 – BUICK

Code : P1AC7
Make : BUICK
Description : P1AC7 BUICK Drive Motor 1 Control Module Crankshaft Position Sensor Performance
Possible causes :
– Faulty Drive Motor Generator Power Inverter Control Module (PIM)
– Drive Motor Generator Power Inverter Control Module (PIM) harness is open or shorted
– Drive Motor Generator Power Inverter Control Module (PIM) circuit poor electrical connection
– Faulty En
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top
Scroll to Top