OBD Guide
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C1273

Low Output Signal of Rear Speed Sensor Right

C1273 is an OBD-II diagnostic trouble code meaning: Low Output Signal of Rear Speed Sensor Right. Common causes: speed sensor malfunction, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • ABS or ESP indicator is on
  • Unstable ABS operation
  • No ESP activation
  • Errors in the stabilization system

Causes

  • Speed sensor malfunction
  • Wiring harness damage
  • Sensor contamination
  • Problems with connectors
  • Malfunction of the ABS/ESP control unit

How to Fix

  1. Check the status of the speed sensor
  2. Inspect the wiring harness and connectors
  3. Clean the sensor from dirt
  4. Replace sensor if necessary
  5. Check ABS/ESP control unit

Related codes

C1274C1275C1276

FAQ

What does the C1273 code mean?

C1273 is an OBD-II diagnostic trouble code that indicates: Low Output Signal of Rear Speed Sensor Right

What causes a C1273 error code?

The most common causes of C1273 include: Speed sensor malfunction; Wiring harness damage; Sensor contamination; Problems with connectors.

How do I fix a C1273 diagnostic trouble code?

To fix C1273: Check the status of the speed sensor. Inspect the wiring harness and connectors. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1273?

Limited driving only, diagnose soon

How much does it cost to fix C1273?

The estimated repair cost for C1273 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat