P0A27 GMC - Hybrid Battery Pack Relay Feedback Circuit
P0A27 GMC Possible Causes
- Faulty Hybrid Battery Cut Off Switch
- Hybrid Battery Cut Off Switch harness is open or shorted
- Hybrid Battery Cut Off Switch circuit poor electrical connection
How do I fix code P0A27 GMC?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P0A27 GMC code
Labor: 1.0The cost of diagnosing the P0A27 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P0A27 GMC DescriptionThe Energy Storage Control Module (ESCM) will monitor the battery cut off switch for overvoltage or an open. The ESCM sets the OBDII code when the Hybrid Battery Cut Off Switch is not to factory specifications.
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