P0A1D TOYOTA - Hybrid Powertrain Control Module
P0A1D TOYOTA Possible Causes
- Faulty HV Control ECU
- HV Control ECU harness is open or shorted
- HV Control ECU circuit poor electrical connection
First diagnose P0A1D TOYOTA 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 P0A1D TOYOTA code
Labor: 1.0The cost of diagnosing the P0A1D TOYOTA 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.
When is the P0A1D TOYOTA code detected?The power management control ECU (HV CPU) monitors its internal operation, it will set DTCs and perform fail-safe control when it detects the following malfunctions. If any of the following DTCs are output, replace the power management control ECU (HV CPU).
P0A1D TOYOTA Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0a1d Toyota DescriptionThe HV control ECU performs diagnostic monitoring to verify proper operation of internal and external ECU systems. In this diagnostics monitor, the HV control ECU checks the REF signal from the motor main ECU
If the HV control ECU detects an error in the REF signal, it will conclude that there is a malfunction in the motor main CPU, the REF signal or the HV control ECU. The HV control ECU illuminates the MIL and sets a Diagnostic Trouble Code (DTC).
P0A1D TOYOTA More InformationNeed more information on how to fix the P0A1D TOYOTA code?
Get Access to Factory Service Manuals
Need more help?Get the P0a1d Toyota code diagnosed by a professional: Find a repair shop in your area
P0A1D TOYOTA CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0a1d Toyota code? Have you replaced any parts?
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