OBD Guide

P16D3

Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage

P16D3 is an OBD-II diagnostic trouble code meaning: Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage. Common causes: intake rocker arm solenoid 2 malfunction, open or short circuit in wiring harness. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • The engine goes into emergency mode

Causes

  • Intake rocker arm solenoid 2 malfunction
  • Open or short circuit in wiring harness
  • Poor contact in control circuit connectors
  • Engine control unit (ECU) malfunction
  • Problems with power or grounding of the circuit

How to Fix

  1. Check the condition of the intake rocker arm solenoid 2
  2. Inspect the wiring harness and connectors for damage.
  3. Check voltage and resistance in control circuit
  4. Test the operation of the engine control unit
  5. If necessary, replace the solenoid or repair the wiring.

Related codes

FAQ

What does the P16D3 code mean?

P16D3 is an OBD-II diagnostic trouble code that indicates: Intake Rocker Arm Solenoid Valve 2 Control Circuit High Voltage

What causes a P16D3 error code?

The most common causes of P16D3 include: Intake rocker arm solenoid 2 malfunction; Open or short circuit in wiring harness; Poor contact in control circuit connectors; Engine control unit (ECU) malfunction.

How do I fix a P16D3 diagnostic trouble code?

To fix P16D3: Check the condition of the intake rocker arm solenoid 2. Inspect the wiring harness and connectors for damage.. Check voltage and resistance in control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P16D3?

Yes, but get it checked soon

How much does it cost to fix P16D3?

The estimated repair cost for P16D3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat