OBD Guide

P2671

Actuator Supply Voltage B Circuit High

P2671 is an OBD-II diagnostic trouble code meaning: Actuator Supply Voltage B Circuit High. Common causes: short circuit in power supply, faulty relay. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Failure of related systems (for example, VVT or EGR)
  • Increased fuel consumption
  • Reduced engine power

Causes

  • Short circuit in power supply
  • Faulty relay
  • Wiring Harness Problems
  • Engine control module (ECM) malfunction
  • Damaged actuators

How to Fix

  1. Check the voltage in the power circuit
  2. Inspect the wiring harness for damage
  3. Check relays and fuses
  4. Diagnose actuators
  5. If necessary, replace faulty components

Related codes

Error P2671 by Vehicle Brand

FAQ

What does the P2671 code mean?

P2671 is an OBD-II diagnostic trouble code that indicates: Actuator Supply Voltage B Circuit High

What causes a P2671 error code?

The most common causes of P2671 include: Short circuit in power supply; Faulty relay; Wiring Harness Problems; Engine control module (ECM) malfunction.

How do I fix a P2671 diagnostic trouble code?

To fix P2671: Check the voltage in the power circuit. Inspect the wiring harness for damage. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2671?

Yes, but get it checked soon

How much does it cost to fix P2671?

The estimated repair cost for P2671 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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