OBD Guide
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P16C7

Rear Engine Mount Actuator Control Circuit High Current

P16C7 is an OBD-II diagnostic trouble code meaning: Rear Engine Mount Actuator Control Circuit High Current. Common causes: short circuit in control circuit, support solenoid valve malfunction. 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
  • Humming or knocking noise coming from the rear of the engine
  • Check Engine Light Illuminates
  • Reduced driving comfort
  • Floating idle speed

Causes

  • Short circuit in control circuit
  • Support solenoid valve malfunction
  • Wiring harness damage
  • Mechanical jamming of the actuator
  • Problems with the engine control unit

How to Fix

  1. Check control circuit for short circuit
  2. Test solenoid valve resistance
  3. Inspect the wiring harness for damage
  4. Check the mechanical condition of the engine mount
  5. If necessary, replace the rear engine mount

Related codes

P16C6P16C8P16C9

FAQ

What does the P16C7 code mean?

P16C7 is an OBD-II diagnostic trouble code that indicates: Rear Engine Mount Actuator Control Circuit High Current

What causes a P16C7 error code?

The most common causes of P16C7 include: Short circuit in control circuit; Support solenoid valve malfunction; Wiring harness damage; Mechanical jamming of the actuator.

How do I fix a P16C7 diagnostic trouble code?

To fix P16C7: Check control circuit for short circuit. Test solenoid valve resistance. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16C7?

Yes, but get it checked soon

How much does it cost to fix P16C7?

The estimated repair cost for P16C7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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