OBD Guide

P10CD

Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage

P10CD is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage. Common causes: open or short circuit in the injector control circuit, malfunction of the fuel injector of the cleaning system. Estimated repair cost: $28–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced efficiency of the exhaust gas cleaning system
  • Possible problems with diesel particulate filter regeneration
  • Increase in harmful emissions
  • Possible loss of engine power

Causes

  • Open or short circuit in the injector control circuit
  • Malfunction of the fuel injector of the cleaning system
  • Relay or fuse problems
  • ECU malfunction
  • Corrosion or poor contact in connectors

How to Fix

  1. Checking the integrity of the control circuit and wiring harness
  2. Diagnostics of the condition of the nozzle of the cleaning system
  3. Checking relays and fuses
  4. Inspect connectors for corrosion or damage
  5. Checking the ECU output signals

Related codes

FAQ

What does the P10CD code mean?

P10CD is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Injector High Control Circuit Low Voltage

What causes a P10CD error code?

The most common causes of P10CD include: Open or short circuit in the injector control circuit; Malfunction of the fuel injector of the cleaning system; Relay or fuse problems; ECU malfunction.

How do I fix a P10CD diagnostic trouble code?

To fix P10CD: Checking the integrity of the control circuit and wiring harness. Diagnostics of the condition of the nozzle of the cleaning system. Checking relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P10CD?

Yes, but get it checked soon

How much does it cost to fix P10CD?

The estimated repair cost for P10CD is $28–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat