P0614
ECM and TCM Incompatible
The ECM and TCM exchange identification or calibration data over the powertrain bus and detect that they are not a valid pair - typically appears after replacing one of the modules with a unit from a different vehicle variant.
The ECM and TCM exchange identification or calibration data over the powertrain bus and detect that they are not a valid pair - typically appears after replacing one of the modules with a unit from a different vehicle variant.
Common causes
- high
Replacement part from wrong variant
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1650
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0614 mean?
P0614 means "ECM and TCM Incompatible". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.
What are the most common causes of P0614?
replacement part from wrong variant — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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