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DTC P062B

DTC P062B

Diagnostic Instructions


• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.


DTC Descriptor

DTC P062B

Control Module Fuel Injector Control Performance

Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM).

The ECM monitors its ability to read and write to the memory. It also monitors a timing function.

Conditions for Running the DTC


• The engine is running or cranking.

• The system voltage is between 8-18.1 V.

• DTC P062B runs continuously when the above conditions are met.


Conditions for Setting the DTC

The ECM detects an internal failure or a short to ground on a fuel injector circuit for more than 10 seconds.

Actions Taken When the DTC Sets

DTC P062B is a Type B DTC.

Conditions for Clearing the MIL/DTC

DTC P062B is a Type B DTC.

Reference Information

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Component Connector End Views

Electrical Information Reference


• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Testing

Test the fuel injector high voltage supply circuits and the fuel injector high voltage control circuits for a short to ground.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for ECM replacement, programming and setup