P0959

Auto Shift Manual Mode Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Inability to change gears manually
Spontaneous gear shifting
Activation of automatic transmission emergency mode
Malfunction indicator light comes on
Loss of power when switching

Causes

Open or short circuit in control circuit
Oxidation of switch contacts
Manual mode switch malfunction
Wiring Harness Problems
Malfunction of the automatic transmission control module

How to Fix

Check the integrity of wiring and contacts
Clean mode switch contacts
Check the functionality of the switch
Scan the automatic transmission module for additional errors
Replace switch or wiring if necessary

Related codes

P0700 P0705 P0715