OBD
P0958
Auto Shift Manual Mode Circuit High
What it means
P0958 means Auto Shift Manual Mode Circuit High.
Check these first
- An open in the auto shift mode ground
- A mode switch wire shorted to voltage
- A failed mode switch
- A connector with a spread pin
What to do next
- Read auto shift manual mode voltage on a scan tool
- Test the mode ground for an open
- Test the mode wire for a short to voltage
- Inspect the mode switch connector pins
- Replace the mode switch if the circuit tests good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.