OBD Guide
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C1173

Steering Angle Sensor Plausibility Error

C1173 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Plausibility Error. Common causes: malfunction of the steering angle sensor, wiring harness damage. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • ESP/ABS indicator is on
  • Disabling the stabilization system
  • Incorrect operation of cruise control
  • Steering wheel does not return to center position

Causes

  • Malfunction of the steering angle sensor
  • Wiring harness damage
  • Oxidation of contacts
  • Incorrect sensor calibration
  • Mechanical damage to the steering rack

How to Fix

  1. Check the integrity of the wiring and contacts of the sensor
  2. Clean contacts from oxides
  3. Check the mechanical integrity of the sensor
  4. Calibrate the steering angle sensor
  5. Replace sensor if necessary

Related codes

C1174C1175C1233

FAQ

What does the C1173 code mean?

C1173 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Plausibility Error

What causes a C1173 error code?

The most common causes of C1173 include: Malfunction of the steering angle sensor; Wiring harness damage; Oxidation of contacts; Incorrect sensor calibration.

How do I fix a C1173 diagnostic trouble code?

To fix C1173: Check the integrity of the wiring and contacts of the sensor. Clean contacts from oxides. Check the mechanical integrity of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1173?

Limited driving only, diagnose soon

How much does it cost to fix C1173?

The estimated repair cost for C1173 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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