OBD Guide

P16C6

Engine Mount Actuator High Voltage During Function Test

P16C6 is an OBD-II diagnostic trouble code meaning: Engine Mount Actuator High Voltage During Function Test. Common causes: active engine mount drive malfunction, short circuit in control circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increased engine vibrations
  • Rattling sound from the engine compartment
  • Unstable engine operation at idle
  • Check Engine Light Illuminates
  • Reduced riding comfort

Causes

  • Active engine mount drive malfunction
  • Short circuit in control circuit
  • Problems with the wiring harness to the drive
  • Engine control module malfunction
  • Corrosion of electrical contacts

How to Fix

  1. Check the integrity of the wiring harness to the drive
  2. Measure the resistance of the active support drive
  3. Check control circuit voltage
  4. Replace the active support drive if necessary
  5. Flash or replace the ECU if a malfunction is detected

Related codes

FAQ

What does the P16C6 code mean?

P16C6 is an OBD-II diagnostic trouble code that indicates: Engine Mount Actuator High Voltage During Function Test

What causes a P16C6 error code?

The most common causes of P16C6 include: Active engine mount drive malfunction; Short circuit in control circuit; Problems with the wiring harness to the drive; Engine control module malfunction.

How do I fix a P16C6 diagnostic trouble code?

To fix P16C6: Check the integrity of the wiring harness to the drive. Measure the resistance of the active support drive. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16C6?

Yes, but get it checked soon

How much does it cost to fix P16C6?

The estimated repair cost for P16C6 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat