Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Trouble Code (DTC) Information ECM-P060661
Condition
The Engine control module (ECM) continuously monitors a number of internal signals through calculations and compares them. The aim is to ensure reliability during operation.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Internal checks give unacceptable results.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Engine running.
Substitute Value
- Various internal signals in the engine control module (ECM) are replaced with default values.
Possible Source
- Poorly charged battery or corroded connecting wiring.
- Damaged software in the engine control module (ECM).
- Damaged engine control module (ECM).
Fault symptom[s]
- Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication
- Driving/Poor performance/lacks power
- Driving/Poor performance/lacks power/At take off
- Driving/Hesitates/surges/Unsure when/at all times
- Driving/Hesitates/surges/During acceleration
- Driving/Hesitates/surges/During deceleration
- Driving/Hesitates/surges/At steady speed
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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