OBD Guide

P0955

Auto Shift Manual Mode Circuit

P0955 is an OBD-II diagnostic trouble code meaning: Auto Shift Manual Mode Circuit. Common causes: open or short circuit in manual mode circuit, manual mode switch malfunction. Estimated repair cost: $17–89.

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

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

Related codes

Error P0955 by Vehicle Brand

FAQ

What does the P0955 code mean?

P0955 is an OBD-II diagnostic trouble code that indicates: Auto Shift Manual Mode Circuit

What causes a P0955 error code?

The most common causes of P0955 include: Open or short circuit in manual mode circuit; Manual mode switch malfunction; Transmission control module (TCM) problems; Poor contact in connectors.

How do I fix a P0955 diagnostic trouble code?

To fix P0955: Check the status of fuses associated with the system. Inspect connectors and wiring for damage. Check the manual mode switch for functionality. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0955?

Yes, but get it checked soon

How much does it cost to fix P0955?

The estimated repair cost for P0955 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat