OBD Guide
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C152A

Right Rear Ride Height Sensor

C152A is an OBD-II diagnostic trouble code meaning: Right Rear Ride Height Sensor. Common causes: mechanical damage to the sensor or its rod, open or short circuit in sensor wiring. Estimated repair cost: $33–133.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–133 (est.)

Symptoms

  • The air suspension fault light is on
  • Body skew to the right or left along the rear axle
  • The vehicle does not maintain the specified ground clearance
  • Air suspension emergency mode with limited adjustment
  • Extraneous sounds when changing body height

Causes

  • Mechanical damage to the sensor or its rod
  • Open or short circuit in sensor wiring
  • Oxidation of the ride height sensor connector
  • Malfunction of the air suspension control unit
  • Damage to the sensor mounting due to corrosion or impact

How to Fix

  1. Visually inspect the height sensor and its rod for mechanical damage
  2. Check the condition of the sensor connector and wiring
  3. Measure the supply voltage and signal voltage of the sensor
  4. Calibrate the sensor using a diagnostic scanner
  5. Replace the sensor if the fault is confirmed
  6. After replacement, initialize and calibrate the air suspension

Related codes

C152BC1887C15A0C1814

FAQ

What does the C152A code mean?

C152A is an OBD-II diagnostic trouble code that indicates: Right Rear Ride Height Sensor

What causes a C152A error code?

The most common causes of C152A include: Mechanical damage to the sensor or its rod; Open or short circuit in sensor wiring; Oxidation of the ride height sensor connector; Malfunction of the air suspension control unit.

How do I fix a C152A diagnostic trouble code?

To fix C152A: Visually inspect the height sensor and its rod for mechanical damage. Check the condition of the sensor connector and wiring. Measure the supply voltage and signal voltage of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C152A?

Yes, but get it checked soon

How much does it cost to fix C152A?

The estimated repair cost for C152A is $33–133. Actual cost depends on your vehicle, location, and labor rates.

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