OBD Guide

P0B07

Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current Low

P0B07 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current Low. Common causes: problems with the pump electrical circuit, pump motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced transmission efficiency
  • Noises or vibrations from the pump
  • Gear shifting problems
  • Reduced performance in hybrid mode

Causes

  • Problems with the pump electrical circuit
  • Pump motor malfunction
  • Wiring harness damage
  • Pump control module malfunction
  • Poor contact in connectors

How to Fix

  1. Check the integrity of the pump electrical circuit
  2. Check the resistance of the pump motor windings
  3. Inspect connectors and wiring harness for damage
  4. Check the operation of the pump control module
  5. If necessary, replace the pump motor or its control module

Related codes

Error P0B07 by Vehicle Brand

FAQ

What does the P0B07 code mean?

P0B07 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current Low

What causes a P0B07 error code?

The most common causes of P0B07 include: Problems with the pump electrical circuit; Pump motor malfunction; Wiring harness damage; Pump control module malfunction.

How do I fix a P0B07 diagnostic trouble code?

To fix P0B07: Check the integrity of the pump electrical circuit. Check the resistance of the pump motor windings. Inspect connectors and wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0B07?

Limited driving only, diagnose soon

How much does it cost to fix P0B07?

The estimated repair cost for P0B07 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat