OBD Guide

P0755

Shift Solenoid B

P0755 is an OBD-II diagnostic trouble code meaning: Shift Solenoid B. Common causes: solenoid b fault, problems with wiring to the solenoid. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Gear shifting problems
  • The car jerks when shifting
  • The gearbox goes into emergency mode
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Solenoid B fault
  • Problems with wiring to the solenoid
  • Low transmission fluid level
  • Contaminated transmission fluid
  • Mechanical damage in the gearbox

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the solenoid wiring and connectors
  3. Check the solenoid resistance with a multimeter
  4. Replace solenoid B if necessary
  5. Reset the error and check the operation of the gearbox

Related codes

Error P0755 by Vehicle Brand

FAQ

What does the P0755 code mean?

P0755 is an OBD-II diagnostic trouble code that indicates: Shift Solenoid B

What causes a P0755 error code?

The most common causes of P0755 include: Solenoid B fault; Problems with wiring to the solenoid; Low transmission fluid level; Contaminated transmission fluid.

How do I fix a P0755 diagnostic trouble code?

To fix P0755: Check the level and condition of the transmission fluid. Inspect the solenoid wiring and connectors. Check the solenoid resistance with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0755?

Limited driving only, diagnose soon

How much does it cost to fix P0755?

The estimated repair cost for P0755 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat