OBD Guide

C15CB

Front Axle Tire Pressure Placard Value Implausible

C15CB is an OBD-II diagnostic trouble code meaning: Front Axle Tire Pressure Placard Value Implausible. Common causes: incorrect tpms calibration, changing tire or wheel sizes without updating data. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Tire pressure indicator is on
  • Inaccurate tire pressure readings
  • Warning messages on the dashboard

Causes

  • Incorrect TPMS calibration
  • Changing tire or wheel sizes without updating data
  • Malfunction of tire pressure sensors
  • Problems with wiring harness or TPMS control unit

How to Fix

  1. Check and adjust the pressure in the front axle tires
  2. Verify that the TPMS system is calibrated correctly
  3. Update tire and wheel size data in the control unit
  4. Check the serviceability of pressure sensors and wiring harness
  5. If necessary, replace faulty components

Related codes

FAQ

What does the C15CB code mean?

C15CB is an OBD-II diagnostic trouble code that indicates: Front Axle Tire Pressure Placard Value Implausible

What causes a C15CB error code?

The most common causes of C15CB include: Incorrect TPMS calibration; Changing tire or wheel sizes without updating data; Malfunction of tire pressure sensors; Problems with wiring harness or TPMS control unit.

How do I fix a C15CB diagnostic trouble code?

To fix C15CB: Check and adjust the pressure in the front axle tires. Verify that the TPMS system is calibrated correctly. Update tire and wheel size data in the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C15CB?

Limited driving only, diagnose soon

How much does it cost to fix C15CB?

The estimated repair cost for C15CB is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat