P1A2A GMC - Hybrid Battery 2 Circuit High Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P1A2A GMC Possible Causes

  • Faulty Energy Storage Box (ESB) Battery
  • Faulty Battery Energy Control Module (BECM)
  • Battery Energy Control Module (BECM) harness is open or shorted
  • Battery Energy Control Module (BECM) circuit poor electrical connection

First diagnose P1A2A GMC code

    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.

Cost of diagnosing the P1A2A GMC code

    Labor: 1.0

    The cost of diagnosing the P1A2A GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P1A2A GMC Possible Symptoms

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

P1a2a Gmc Description

Battery voltage sensors allow the Energy Storage Control Module (ESCM) to monitor the voltage of the batteries in the Energy Storage Box (ESB). The batteries apply voltage to internal input resistors that are connected to the signal circuits of the battery voltage sensors. The module provides ground to the battery voltage sensors through the reference circuit. The ESCM monitors the voltage drop across the battery voltage sensors and uses the inputs for hybrid calculations. When the battery voltage is high, the resistances of the sensors are high and the voltage signals are high. When the battery voltage is low, the resistances of the sensors are low and the voltage signals are low.
OBDII Code P1a2a Gmc - Hybrid Battery 2 Circuit High Voltage - AutoCodes.com

P1A2A GMC More Information

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