The P0956: Auto Shift Manual Mode Circuit Range/Performance refers to an issue where the auto shift manual mode circuit is operating outside its expected range or performance specifications. This can affect the vehicle’s ability to shift manually, potentially causing transmission issues.
P0956 – Quick Overview
| Code | Information |
|---|---|
| Meaning | P0956: Auto Shift Manual Mode Circuit Range/Performance |
| Is it serious? | Yes, range or performance issues can impair manual shifting and affect transmission control. |
| Possible causes | – Range or performance issues with the auto shift manual mode circuit – Faulty auto shift manual mode module – Wiring or connector issues |
| How to diagnose? | – Test the auto shift manual mode circuit for range and performance – Inspect wiring and connectors – Replace faulty components if needed |
P0956 Meaning
The P0956: Auto Shift Manual Mode Circuit Range/Performance code indicates that the auto shift manual mode circuit is not functioning within its expected range or performance parameters. This can affect manual shifting capabilities and impact vehicle control during gear changes.
Step-by-step diagnostic guide
| Action | Description | Tools Needed |
|---|---|---|
| Check for Other Codes | Use an OBD-II scanner to check for additional fault codes that may provide further insight into the range or performance issue. | OBD-II Scanner |
| Test for Range and Performance | Use a multimeter or diagnostic tool to test the auto shift manual mode circuit for range and performance, ensuring it operates within manufacturer specifications. | Multimeter, Diagnostic Tool |
| Inspect Wiring and Connectors | Inspect the wiring and connectors for damage, corrosion, or loose connections that may be causing the performance issues. | Flashlight, Multimeter |
| Check the Control Module | Test the auto shift manual mode module for proper functionality. Replace it if it is faulty or not performing within range. | Diagnostic Tool, Replacement Module |
| Clear the Code and Test Drive | After repairs, clear the code using an OBD-II scanner and perform a test drive to ensure the issue is resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
| Recheck for Codes | Re-scan the system to ensure the P0956 code does not return after the test drive. | OBD-II Scanner |
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I test OBD-II scanners and make DIY Engine diagnostics guides to help you solve your car problems without having to depend on the mechanic. A lot of them will try to scam you or are just no help at all. About Juraj Lukacko