- Faulty Battery Pack
- Battery Pack harness is open or shorted
- Battery Pack circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1a5a Gmc DescriptionThe deviation of the temperature across the battery pack is checked using the 6 temperature sensors. If one module within the pack is bad, it should manifest itself in a high Delta T.
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P1A5A GMC CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1a5a Gmc code? Have you replaced any parts?
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