What are the common causes of P062B?

A failed fuel injector. A shorted injector circuit. Corrosion at the injector connectors. Low fuel pressure. A faulty ECM injector driver.

Scan for misfire and injector codes. Check the injector resistance and connectors. Check fuel pressure and injector balance. Test the injector driver output at the ECM. Replace the ECM if the driver output is dead with good injectors. Clear the code and retest.

P062B

Internal Control Module Fuel Injector Control Performance

System: Computer output circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P062B means Internal Control Module Fuel Injector Control Performance.

Where it lives

For P062B, the description names the injector as the part involved.

Check these first

A failed fuel injector
A shorted injector circuit
Corrosion at the injector connectors
Low fuel pressure
A faulty ECM injector driver

What to do next

Scan for misfire and injector codes
Check the injector resistance and connectors
Check fuel pressure and injector balance
Test the injector driver output at the ECM
Replace the ECM if the driver output is dead with good injectors
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.