OBD Guide

P0B06

Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current

P0B06 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current. Common causes: pump motor malfunction, problems with the pump control electronics. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • Unusual noises from the transmission
  • Reduced transmission efficiency
  • Transmission overheating

Causes

  • Pump motor malfunction
  • Problems with the pump control electronics
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Transmission control unit malfunction

How to Fix

  1. Check the condition of the wiring harness and pump connectors
  2. Test the pump motor
  3. Check the pump control electronics
  4. Diagnose the transmission control unit
  5. If necessary, replace faulty components

Related codes

Error P0B06 by Vehicle Brand

FAQ

What does the P0B06 code mean?

P0B06 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current

What causes a P0B06 error code?

The most common causes of P0B06 include: Pump motor malfunction; Problems with the pump control electronics; Open or short circuit in wiring harness; Poor contact in connectors.

How do I fix a P0B06 diagnostic trouble code?

To fix P0B06: Check the condition of the wiring harness and pump connectors. Test the pump motor. Check the pump control electronics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0B06?

Limited driving only, diagnose soon

How much does it cost to fix P0B06?

The estimated repair cost for P0B06 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat