Fix P0931: STEP-BY-STEP diagnostic GUIDE!

The P0931: Gear Shift Lock Solenoid/Actuator Control Circuit ‘A’ High refers to an issue where the voltage in the gear shift lock solenoid/actuator control circuit ‘A’ is higher than expected. This can cause malfunctioning of the gear shift lock, preventing proper operation of the lock mechanism.

P0931 – Quick Overview

CodeInformation
MeaningP0931: Gear Shift Lock Solenoid/Actuator Control Circuit ‘A’ High
Is it serious?Yes, high voltage can cause improper locking or unlocking of the gear shift, leading to safety issues.
Possible causes– High voltage in the gear shift lock solenoid/actuator control circuit ‘A’
– Faulty gear shift lock solenoid/actuator
– Wiring or connector issues
How to diagnose?– Check the circuit for high voltage
– Inspect wiring and connectors
– Replace the gear shift lock solenoid/actuator if necessary

P0931 Meaning

The P0931: Gear Shift Lock Solenoid/Actuator Control Circuit ‘A’ High code indicates that the voltage in control circuit ‘A’ of the gear shift lock solenoid/actuator is above the specified range. This can lead to the improper functioning of the gear shift lock mechanism, preventing proper locking or unlocking.

Step-by-step diagnostic guide

ActionDescriptionTools Needed
Check for Other CodesUse an OBD-II scanner to check for any additional fault codes that may provide more insight into the problem.OBD-II Scanner
Inspect the Wiring and ConnectorsVisually inspect the wiring and connectors for damage, corrosion, or loose connections in circuit ‘A’.Flashlight, Multimeter
Test for High VoltageUse a multimeter to check for high voltage in the gear shift lock solenoid/actuator control circuit ‘A’. Confirm that the voltage is within the manufacturer’s specified range.Multimeter
Check the Solenoid/ActuatorTest the gear shift lock solenoid/actuator to ensure proper functionality. Replace it if the actuator is faulty.Diagnostic Tool, Replacement Solenoid/Actuator
Clear the Code and Test DriveAfter making repairs, clear the code using an OBD-II scanner and perform a test drive to confirm the issue is resolved.OBD-II Scanner, Vehicle Owner’s Manual
Recheck for CodesRe-scan the system to ensure that the P0931 code does not reappear after the test drive.OBD-II Scanner
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