OBD Guide
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P1A6C

SGCM Service Calibration Fault

P1A6C is an OBD-II diagnostic trouble code meaning: SGCM Service Calibration Fault. Common causes: sgcm software failure, module power problems. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Airbag light is on
  • Errors in the passive safety system
  • Inability to calibrate the system
  • Reduced functionality of security systems

Causes

  • SGCM software failure
  • Module power problems
  • Damage to SGCM module
  • Wiring harness fault
  • Contact corrosion

How to Fix

  1. Check power supply to SGCM module
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Update module software
  5. Repair only from an authorized dealer

Related codes

B00A0B00B5

FAQ

What does the P1A6C code mean?

P1A6C is an OBD-II diagnostic trouble code that indicates: SGCM Service Calibration Fault

What causes a P1A6C error code?

The most common causes of P1A6C include: SGCM software failure; Module power problems; Damage to SGCM module; Wiring harness fault.

How do I fix a P1A6C diagnostic trouble code?

To fix P1A6C: Check power supply to SGCM module. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A6C?

Do not drive — repair immediately

How much does it cost to fix P1A6C?

The estimated repair cost for P1A6C is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat