P1E27 CADILLAC - Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery System Voltage High Voltage
P1E27 CADILLAC Possible Causes
- Program Power Inverter Module
- Faulty Power Inverter Module
- Power Inverter Module harness is open or shorted
- Power Inverter Module circuit poor electrical connection
First diagnose P1E27 CADILLAC 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 P1E27 CADILLAC code
Labor: 1.0The cost of diagnosing the P1E27 CADILLAC 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.
P1E27 CADILLAC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1e27 Cadillac DescriptionThe power inverter module, often referred to as the drive motor generator power inverter module, contains three motor control modules and the hybrid powertrain control module. Two of the motor control modules operate their respective drive motor generator based upon power inverter module commands. The third motor control module controls the auxiliary transmission fluid pump motor. Each drive motor control module monitors its internal high voltage sensor for correct operation, no external circuits are involved. The motor control modules and the hybrid powertrain control module are part of the power inverter module and are not serviced separately.
P1E27 CADILLAC More InformationNeed more information on how to fix the P1E27 CADILLAC code?
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