OBD Guide

P1C06

12V Battery Relay Close Circuit Performance

P1C06 is an OBD-II diagnostic trouble code meaning: 12V Battery Relay Close Circuit Performance. Common causes: faulty 12v relay, open or short circuit in the relay circuit. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Problems starting the engine
  • Dashboard flashing or turning off
  • Reduced voltage in the on-board network
  • Warning messages on the instrument panel
  • Problems with electrical equipment operation

Causes

  • Faulty 12V relay
  • Open or short circuit in the relay circuit
  • Oxidized or poor contacts
  • Problems with the control unit
  • Generator malfunction

How to Fix

  1. Check the condition of the 12V relay
  2. Inspect the relay circuit for damage
  3. Clean and check contacts
  4. Check the voltage in the on-board network
  5. If necessary, replace the relay

Related codes

FAQ

What does the P1C06 code mean?

P1C06 is an OBD-II diagnostic trouble code that indicates: 12V Battery Relay Close Circuit Performance

What causes a P1C06 error code?

The most common causes of P1C06 include: Faulty 12V relay; Open or short circuit in the relay circuit; Oxidized or poor contacts; Problems with the control unit.

How do I fix a P1C06 diagnostic trouble code?

To fix P1C06: Check the condition of the 12V relay. Inspect the relay circuit for damage. Clean and check contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1C06?

Limited driving only, diagnose soon

How much does it cost to fix P1C06?

The estimated repair cost for P1C06 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat