OBD Guide
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C12F7

ABS Boost Pressure Sensor and Regenerative Axle Pressure Sensor Not Plausible

C12F7 is an OBD-II diagnostic trouble code meaning: ABS Boost Pressure Sensor and Regenerative Axle Pressure Sensor Not Plausible. Common causes: malfunction of the pressure sensor in the abs amplifier, regenerative axle pressure sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS indicator lights up
  • Reduced braking performance
  • Unstable operation of the regenerative braking system

Causes

  • Malfunction of the pressure sensor in the ABS amplifier
  • Regenerative axle pressure sensor malfunction
  • Wiring harness damage
  • ABS module malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check pressure sensor readings using diagnostic equipment
  3. Replace faulty sensor
  4. Check and, if necessary, replace the ABS module

Related codes

C12F6C12F8

FAQ

What does the C12F7 code mean?

C12F7 is an OBD-II diagnostic trouble code that indicates: ABS Boost Pressure Sensor and Regenerative Axle Pressure Sensor Not Plausible

What causes a C12F7 error code?

The most common causes of C12F7 include: Malfunction of the pressure sensor in the ABS amplifier; Regenerative axle pressure sensor malfunction; Wiring harness damage; ABS module malfunction.

How do I fix a C12F7 diagnostic trouble code?

To fix C12F7: Check the integrity of the wiring harness. Check pressure sensor readings using diagnostic equipment. Replace faulty sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C12F7?

Limited driving only, diagnose soon

How much does it cost to fix C12F7?

The estimated repair cost for C12F7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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