P1AE6 BUICK - Battery Energy Control Module Hybrid/EV Battery Voltage Isolation Sensor Circuit
P1AE6 BUICK Possible Causes
- Faulty Hybrid/EV Battery Pack
- Hybrid/EV Battery Pack harness is open or shorted
- Hybrid/EV Battery Pack circuit poor electrical connection
First diagnose P1AE6 BUICK 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 terminals.
Cost of diagnosing the P1AE6 BUICK code
Labor: 1.0The cost of diagnosing the P1AE6 BUICK 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.
P1AE6 BUICK Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1ae6 Buick DescriptionThe Battery Energy Control Module will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery energy control module to the vehicle control interface module through serial data. The vehicle control interface module is the host controller for Diagnostic Trouble Code (DTC) information.
The vehicle is equipped with a high voltage isolation monitor feature. The purpose of the high voltage isolation circuit is to test the resistance between the high voltage positive and negative direct current (DC) bus and chassis ground. The battery energy control module only runs this test when the ignition transitions from ON to OFF and the high voltage contactor relays have opened. The battery energy control module has an internal isolation sensor that measures the resistance between the high voltage DC positive and negative bus and chassis ground. The battery energy control module runs an internal self check of this sensor circuit. The battery energy control module sends an AC signal over the DC bus and monitors its amplitude. A low amplitude or collapsed return signal indicates a loss of resistance to chassis ground and a loss of isolation will be indicated by the hybrid powertrain control module 2. Because this diagnostic runs after system power down, the diagnostic status does not get reported until the next key cycle.
P1AE6 BUICK More InformationNeed more information on how to fix the P1AE6 BUICK code?
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