P061B

DTC P061B or P161B

DTC Descriptors
DTC P061B
- Control Module Torque Calculation Performance

DTC P161B
- Control Module Torque Performance

Diagnostic Fault Information

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

Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM) and the throttle actuator control (TAC) system.

Conditions for Running the DTC

P061B or P161B

The ignition is ON, or the engine is operating.

Conditions for Setting the DTC

P061B

The ECM detects an internal control module torque calculation performance condition.

P161B

The ECM detects that the delivered torque does not match the desired torque.

Action Taken When the DTC Sets

DTCs P061B, and P161B are type A DTCs.

Conditions for Clearing the DTC

DTCs P061B, and P161B are type A DTCs.

Reference Information

DTC Type Reference

Diagnostic Trouble Code (DTC) Type Definitions Diagnostic Trouble Code (DTC) Type Definitions

Circuit/System Testing

Ignition ON, observe the DTC information with a scan tool. Verify that DTCs P061B or P161B do not fail this ignition cycle.

If either of the DTCs P061B or P161B are set this ignition cycle, replace the ECM.

Repair Instructions

Important: Always perform the Diagnostic Repair Verification Diagnostic Repair Verification after completing the diagnostic procedure.


Control Module References Control Module References for engine control module replacement, setup, and programming