P0955

Auto Shift Manual Mode Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Inability to change gears manually
Check Engine Light Is On
Automatic transmission remains in automatic mode only
Ability to shift only to some gears
Delays when shifting gears

Causes

Open or short circuit in manual mode circuit
Manual mode switch malfunction
Transmission control module (TCM) problems
Poor contact in connectors
Wiring corrosion

How to Fix

Check the status of fuses associated with the system
Inspect connectors and wiring for damage
Check the manual mode switch for functionality
Scan the transmission control module for other errors
If necessary, replace the switch or repair the wiring

Related codes

P0956 P0957 P0958