OBD Guide

P02CD

Cylinder 1 Fuel Injector A Offset Learning At Max Limit

P02CD is an OBD-II diagnostic trouble code meaning: Cylinder 1 Fuel Injector A Offset Learning At Max Limit. Common causes: dirty or worn fuel injector for cylinder 1, problems in the injector wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Misfire in cylinder 1

Causes

  • Dirty or worn fuel injector for cylinder 1
  • Problems in the injector wiring harness
  • Malfunction of the injector driver in the ECU
  • Low pressure in the fuel system
  • Fuel contamination

How to Fix

  1. Check the condition of the fuel injector of cylinder 1
  2. Test the resistance and continuity of the injector circuit
  3. Check the pressure in the fuel system
  4. Clean or replace the nozzle if necessary
  5. Check the operation of the injector driver in the ECU
  6. Reset adaptations and drive for re-learning

Related codes

Error P02CD by Vehicle Brand

FAQ

What does the P02CD code mean?

P02CD is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Fuel Injector A Offset Learning At Max Limit

What causes a P02CD error code?

The most common causes of P02CD include: Dirty or worn fuel injector for cylinder 1; Problems in the injector wiring harness; Malfunction of the injector driver in the ECU; Low pressure in the fuel system.

How do I fix a P02CD diagnostic trouble code?

To fix P02CD: Check the condition of the fuel injector of cylinder 1. Test the resistance and continuity of the injector circuit. Check the pressure in the fuel system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P02CD?

Limited driving only, diagnose soon

How much does it cost to fix P02CD?

The estimated repair cost for P02CD is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat