P1A5A GMC - Hybrid System Temperature

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Battery Pack
  • Battery Pack harness is open or shorted
  • Battery Pack circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1a5a Gmc Description

The 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.
OBDII Code P1a5a Gmc - Hybrid System Temperature - AutoCodes.com

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P1A5A GMC Comments

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