OBD Guide

C1022

Right Front Wheel Speed Sensor Circuit

C1022 is an OBD-II diagnostic trouble code meaning: Right Front Wheel Speed Sensor Circuit. Common causes: broken or damaged sensor wiring harness, short circuit in the circuit. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • The ABS light on the dashboard is on
  • Disabling the ABS/ESP system
  • Incorrect operation of cruise control
  • Errors in the operation of the all-wheel drive system (if any)

Causes

  • Broken or damaged sensor wiring harness
  • Short circuit in the circuit
  • Malfunction of the speed sensor itself
  • Poor contact in the sensor connector
  • Damage to the gear rotor on the hub
  • Problems with the ABS control unit

How to Fix

  1. Visual inspection of the sensor wiring harness and connectors
  2. Checking the sensor resistance (usually 800-2000 ohms)
  3. Checking the integrity of the wiring to the control unit
  4. Diagnostics of the sensor signal with an oscilloscope
  5. Checking the condition of the gear rotor
  6. Replacing the speed sensor or repairing the wiring if necessary
  7. Resetting the error and checking the system operation

Related codes

FAQ

What does the C1022 code mean?

C1022 is an OBD-II diagnostic trouble code that indicates: Right Front Wheel Speed Sensor Circuit

What causes a C1022 error code?

The most common causes of C1022 include: Broken or damaged sensor wiring harness; Short circuit in the circuit; Malfunction of the speed sensor itself; Poor contact in the sensor connector.

How do I fix a C1022 diagnostic trouble code?

To fix C1022: Visual inspection of the sensor wiring harness and connectors. Checking the sensor resistance (usually 800-2000 ohms). Checking the integrity of the wiring to the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1022?

Limited driving only, diagnose soon

How much does it cost to fix C1022?

The estimated repair cost for C1022 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat