Easy and Professional Multi-Brand Car Diagnostic Tool


Order Now


P1A8B – All makes

Code : P1A8B
Make : All makes
Description : P1A8B Volt Inverter Temperature High
Possible causes :
– Restricted radiator air flow or coolant fans inoperative
– Restricted power electronics coolant flow or contaminated coolant
– Inoperative power electronics cooling system water pump
– Faulty Accessory Power Module (APM)
– Accessory Power Module (APM) harness
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Your email address will not be published.

Scroll to Top