OBD Guide

P276A

Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open

P276A is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open. Common causes: broken or damaged wires in the pump power circuit, poor contact in pump connectors. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Check Engine light comes on
  • The gearbox goes into emergency mode
  • Deterioration of gear shifting
  • Reduced vehicle performance
  • Possible jerking when changing gears

Causes

  • Broken or damaged wires in the pump power circuit
  • Poor contact in pump connectors
  • Pump motor malfunction
  • Pump relay or fuse problems
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the pump fuse and relay
  2. Inspect the wiring harness and connectors for damage.
  3. Check the voltage at the pump terminals
  4. Test the pump motor
  5. If necessary, replace the pump or damaged wiring components

Related codes

Error P276A by Vehicle Brand

FAQ

What does the P276A code mean?

P276A is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open

What causes a P276A error code?

The most common causes of P276A include: Broken or damaged wires in the pump power circuit; Poor contact in pump connectors; Pump motor malfunction; Pump relay or fuse problems.

How do I fix a P276A diagnostic trouble code?

To fix P276A: Check the pump fuse and relay. Inspect the wiring harness and connectors for damage.. Check the voltage at the pump terminals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P276A?

Limited driving only, diagnose soon

How much does it cost to fix P276A?

The estimated repair cost for P276A is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

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