OBD Guide
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C1516

Roll Rate Sensor Signal Fault

C1516 is an OBD-II diagnostic trouble code meaning: Roll Rate Sensor Signal Fault. Common causes: open or short circuit in the sensor circuit, roll speed sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • ESP/ABS indicator is on
  • Stabilization system disabled
  • Incorrect operation of the passive safety system

Causes

  • Open or short circuit in the sensor circuit
  • Roll speed sensor malfunction
  • Wiring harness damage
  • Problems with the control unit
  • Contact corrosion

How to Fix

  1. Check the condition of the sensor wiring harness and connections
  2. Check sensor resistance and voltage
  3. Replace roll rate sensor (if necessary)
  4. Check and reflash the control unit (if required)
  5. Clean contacts from corrosion

Related codes

C1515C1517C0035C0050

FAQ

What does the C1516 code mean?

C1516 is an OBD-II diagnostic trouble code that indicates: Roll Rate Sensor Signal Fault

What causes a C1516 error code?

The most common causes of C1516 include: Open or short circuit in the sensor circuit; Roll speed sensor malfunction; Wiring harness damage; Problems with the control unit.

How do I fix a C1516 diagnostic trouble code?

To fix C1516: Check the condition of the sensor wiring harness and connections. Check sensor resistance and voltage. Replace roll rate sensor (if necessary). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1516?

Limited driving only, diagnose soon

How much does it cost to fix C1516?

The estimated repair cost for C1516 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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