OBD Guide

C1049

Right Rear Wheel Pressure Phase Monitoring

C1049 is an OBD-II diagnostic trouble code meaning: Right Rear Wheel Pressure Phase Monitoring. Common causes: malfunction of the pressure sensor in the right rear wheel, damage to the wiring harness to the sensor. Estimated repair cost: $56–167.

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

Symptoms

  • Tire pressure indicator is on
  • Inaccurate pressure readings in the right rear tire
  • The system does not warn about loss of pressure

Causes

  • Malfunction of the pressure sensor in the right rear wheel
  • Damage to the wiring harness to the sensor
  • Problems with the pressure control system control module
  • Pressure sensor battery low

How to Fix

  1. Check the pressure in the right rear wheel manually
  2. Inspect the pressure sensor for damage
  3. Check the integrity of the wiring harness to the sensor
  4. Replace pressure sensor if necessary
  5. Reset the error and check the system

Related codes

FAQ

What does the C1049 code mean?

C1049 is an OBD-II diagnostic trouble code that indicates: Right Rear Wheel Pressure Phase Monitoring

What causes a C1049 error code?

The most common causes of C1049 include: Malfunction of the pressure sensor in the right rear wheel; Damage to the wiring harness to the sensor; Problems with the pressure control system control module; Pressure sensor battery low.

How do I fix a C1049 diagnostic trouble code?

To fix C1049: Check the pressure in the right rear wheel manually. Inspect the pressure sensor for damage. Check the integrity of the wiring harness to the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1049?

Limited driving only, diagnose soon

How much does it cost to fix C1049?

The estimated repair cost for C1049 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat