GMC P1AE7: Battery Energy Control Module Hybrid Battery Voltage System Isolation Lost
Is your scanner showing GMC P1AE7?
No worries. We'll show you what it means and how to deal with it.
GMC P1AE7: Battery Energy Control Module Hybrid Battery Voltage System Isolation LostOVERVIEW
What Does The GMC P1AE7 Code Mean?
Ignition voltage is 9-18 V. The ignition switch transitions from ON to OFF. High voltage contactor transitions to open.
- The drive motor generator battery control module has detected a loss of isolation between the high voltage positive or negative bus to chassis ground that is less than 200 k Ω.
- This diagnostic may take up to 40 seconds to run after the conditions for running have been met. This DTC will not report the status until the next key cycle.
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GMC P1AE7, DTCDECODE.