Fix P0951: STEP-BY-STEP diagnostic GUIDE!

The P0951: Auto Shift Manual Control Circuit Range/Performance refers to an issue where the auto shift manual control circuit is operating outside its expected range or performance parameters. This may result in improper manual shifting, affecting the vehicle’s transmission.

P0951 – Quick Overview

CodeInformation
MeaningP0951: Auto Shift Manual Control Circuit Range/Performance
Is it serious?Yes, as range or performance issues in the control circuit can affect manual gear shifting.
Possible causes– Range or performance issues with the auto shift manual control circuit
– Faulty auto shift manual control module
– Wiring or connector issues
How to diagnose?– Test the auto shift manual control circuit for range and performance
– Inspect wiring and connectors
– Replace faulty components if needed

P0951 Meaning

The P0951: Auto Shift Manual Control Circuit Range/Performance code indicates that the auto shift manual control circuit is not operating within the expected range or performance specifications. This can lead to problems in shifting gears manually, affecting the transmission’s operation.

Step-by-step diagnostic guide

ActionDescriptionTools Needed
Check for Other CodesUse an OBD-II scanner to check for any other related fault codes that may give more information on the issue.OBD-II Scanner
Test the Circuit for Range and PerformanceUse a diagnostic tool or multimeter to check the range and performance of the auto shift manual control circuit, ensuring it meets manufacturer specifications.Diagnostic Tool, Multimeter
Inspect Wiring and ConnectorsVisually inspect the wiring and connectors associated with the auto shift manual control circuit for damage, loose connections, or corrosion.Flashlight, Multimeter
Check the Control ModuleTest the auto shift manual control module for proper functionality. Replace it if it is faulty or not performing within the expected range.Diagnostic Tool, Replacement Module
Clear the Code and Test DriveAfter repairs, clear the code using an OBD-II scanner and take the vehicle for a test drive to confirm that the issue is resolved.OBD-II Scanner, Vehicle Owner’s Manual
Recheck for CodesRe-scan the system to ensure the P0951 code does not return after the test drive.OBD-II Scanner
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