P060B

SYMPTOM
P060B-ETC A/D GROUND PERFORMANCE

WHEN MONITORED
When the Throttle Motor is powered.

SET CONDITION
When A2D reading does not return to ground within a set period of time of test activation, this fault sets. The test typically runs a couple of times per second, and is the reason why APP2 signal spikes to ground a couple of times per second in normal running. Reprogramming the module may not always fix this fault. ETC lamp will flash.

POSSIBLE CAUSES
- PCM NEEDS TO BE PROGRAMMED
- PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Scan Tool Testing and Procedures


DIAGNOSTIC TEST
1. PROGRAM THE POWERTRAIN CONTROL MODULE





Verify the PCM is at the latest calibration (flash level).

Note: An intermittent loss of power to the PCM without performing an ETC Relearn procedure may cause this DTC to set.

Note: Diagnose any other DTCs that may have set with the P060B.
Flash the Powertrain Control Module per Service Information if any updates are available.
Start the engine.
Allow the engine to reach normal operating temperature.
Operate the accelerator pedal. (do not exceed 3500 rpm)
With a scan tool, read DTCs.
Does this DTC reset by itself?
Yes>> Replace and reprogram the Powertrain Control Module per Service Information. Perform (NGC) POWERTRAIN VERIFICATION TEST VER-5. Powertrain Verification Test - Ver 5
No>> Test Complete.