P2676 serious

Actuator Supply Voltage 'C' Circuit Open

The P2676 code means the vehicle's onboard diagnostic system has detected: Actuator Supply Voltage 'C' Circuit Open. This is a serious severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$100 - $500 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Third group of actuators non-functional
  • Possible turbo control or VVT issues
  • Multiple related DTCs present
  • Engine performance reduced

Probable Causes (Ranked by Likelihood)

  • Blown fuse for actuator circuit C Very High
  • Open wiring in supply C harness High
  • Relay fault for circuit C Moderate
  • PCM connector pin pushed back Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2676 is present

  2. Check all actuator-related fuses

  3. Test supply voltage C at PCM and actuator connectors

  4. Inspect PCM connector for backed-out pins

Frequently Asked Questions

What does P2676 mean?

P2676 indicates an issue with the actuator supply voltage 'c' circuit open. This voltage circuit powers various engine actuators and sensors critical for proper engine operation.

Can I drive with a P2676 code?

You can drive short distances, but multiple engine systems may be affected. Have the charging and wiring systems checked promptly.

How much does it cost to fix P2676?

Repairs typically cost $100 - $500. A blown fuse is a quick fix, while alternator or wiring repairs cost more.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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