OBD Guide
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C1887

Air Suspension Right Rear Height Sensor Circuit Short To Battery

C1887 is an OBD-II diagnostic trouble code meaning: Air Suspension Right Rear Height Sensor Circuit Short To Battery. Common causes: short circuit of the sensor signal wire to +12v or +5v, damage to the wiring insulation at the sensor or in the harness. 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 light is on
  • The right rear pillar is not height adjustable
  • Incorrect ground clearance readings on the display
  • Emergency mode with limited functionality
  • Body skewed to the right side at the rear

Causes

  • Short circuit of the sensor signal wire to +12V or +5V
  • Damage to the wiring insulation at the sensor or in the harness
  • Internal short inside the ride height sensor
  • Mechanical damage to the sensor connector
  • Moisture getting into the connector or sensor housing

How to Fix

  1. Read air suspension codes with a scanner and record the sensor signal voltage
  2. Disconnect the sensor connector and check if the voltage on the signal wire disappears
  3. Inspect the wiring from the sensor to the control unit for damage
  4. Check the integrity of the connector and the condition of the contacts
  5. Replace the sensor if an internal short is detected
  6. Perform air suspension calibration after troubleshooting

Related codes

C152AC1814C15A0C1888

FAQ

What does the C1887 code mean?

C1887 is an OBD-II diagnostic trouble code that indicates: Air Suspension Right Rear Height Sensor Circuit Short To Battery

What causes a C1887 error code?

The most common causes of C1887 include: Short circuit of the sensor signal wire to +12V or +5V; Damage to the wiring insulation at the sensor or in the harness; Internal short inside the ride height sensor; Mechanical damage to the sensor connector.

How do I fix a C1887 diagnostic trouble code?

To fix C1887: Read air suspension codes with a scanner and record the sensor signal voltage. Disconnect the sensor connector and check if the voltage on the signal wire disappears. Inspect the wiring from the sensor to the control unit for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1887?

Yes, but get it checked soon

How much does it cost to fix C1887?

The estimated repair cost for C1887 is $33–133. Actual cost depends on your vehicle, location, and labor rates.

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