OBD Guide
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C1415

Rear Speed Sensor Right Output Malfunction

C1415 is an OBD-II diagnostic trouble code meaning: Rear Speed Sensor Right Output Malfunction. Common causes: damaged or dirty wheel speed sensor, worn or damaged drive ring (abs rotor) on the wheel bearing. Estimated repair cost: $11–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$11–167 (est.)

Symptoms

  • The ABS indicator on the dashboard is on
  • Possible ESP activation during normal driving
  • Code C1415 when diagnosing with a scanner
  • In the scanner data: the speed of the right rear wheel is different from the others or equal to zero
  • Incorrect operation or disabling of ABS when braking

Causes

  • Damaged or dirty wheel speed sensor
  • Worn or damaged drive ring (ABS rotor) on the wheel bearing
  • Increased gap between sensor and rotor
  • Damage to the wiring or sensor connector
  • Faulty wheel bearing (ABS rotor is built into the bearing)

How to Fix

  1. Read error codes and view speed data of all four wheels in real time
  2. Inspect the speed sensor and ABS rotor of the right rear wheel for dirt, cracks, corrosion
  3. Check the gap between the sensor and the setting ring (usually 0.3–1.5 mm)
  4. Check the wiring and connector of the sensor for damage
  5. Clean the sensor and rotor from dirt and rust - sometimes this eliminates the problem
  6. If necessary, replace the sensor or wheel bearing assembly with ABS rotor

Related codes

C1192C1200C1252C0045C0050

FAQ

What does the C1415 code mean?

C1415 is an OBD-II diagnostic trouble code that indicates: Rear Speed Sensor Right Output Malfunction

What causes a C1415 error code?

The most common causes of C1415 include: Damaged or dirty wheel speed sensor; Worn or damaged drive ring (ABS rotor) on the wheel bearing; Increased gap between sensor and rotor; Damage to the wiring or sensor connector.

How do I fix a C1415 diagnostic trouble code?

To fix C1415: Read error codes and view speed data of all four wheels in real time. Inspect the speed sensor and ABS rotor of the right rear wheel for dirt, cracks, corrosion. Check the gap between the sensor and the setting ring (usually 0.3–1.5 mm). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1415?

Do not drive — repair immediately

How much does it cost to fix C1415?

The estimated repair cost for C1415 is $11–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat