OBD Guide

P216C

Fuel Injector Group E Supply Voltage Circuit High

P216C is an OBD-II diagnostic trouble code meaning: Fuel Injector Group E Supply Voltage Circuit High. Common causes: short circuit in the injector circuit, fuel injector relay malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power Loss
  • Check Engine Light Illuminates
  • Possible misfires

Causes

  • Short circuit in the injector circuit
  • Fuel injector relay malfunction
  • Problems with the engine control unit
  • Wiring harness damage
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the wiring harness to the injectors of group E
  2. Measure the voltage in the injector circuit
  3. Check relays and fuses
  4. Inspect connectors and contacts for corrosion
  5. If necessary, replace faulty components

Related codes

Error P216C by Vehicle Brand

FAQ

What does the P216C code mean?

P216C is an OBD-II diagnostic trouble code that indicates: Fuel Injector Group E Supply Voltage Circuit High

What causes a P216C error code?

The most common causes of P216C include: Short circuit in the injector circuit; Fuel injector relay malfunction; Problems with the engine control unit; Wiring harness damage.

How do I fix a P216C diagnostic trouble code?

To fix P216C: Check the integrity of the wiring harness to the injectors of group E. Measure the voltage in the injector circuit. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P216C?

Yes, but get it checked soon

How much does it cost to fix P216C?

The estimated repair cost for P216C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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