2007 Compass Patriot MK Factory Service Manual 21 - TRANSAXLE

P0219-ENGINE OVERSPEED

For a complete wiring diagram Refer to Section 8W.

Theory of Operation


The Transmission Control Module (TCM) receives a engine rpm over the CAN bus. If the engine rpm exceeds a predetermined value a DTC will set.



Possible Causes
 
ENGINE MECHANICAL PROBLEM
 
TRANSMISSION MECHANICAL PROBLEM
 
POWERTRAIN CONTROL MODULE
 
TRANSMISSION CONTROL MODULE
 


Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - CVT - STANDARD PROCEDURE)



Diagnostic Test

1. CHECK FOR OTHER TRANSMISSION DTCS

With the scan tool, check for other transmission DTCs.

Are there any TCC, gear ratio and/or speed sensor DTCs present in addition to P0219?

Yes


No

2. CHECK FOR ENGINE DTCS

With the scan tool, check for engine DTCs.

Are there any engine DTCs present?

Yes


No

3. CHECK IF DTC RESETS

With the scan tool erase transmission DTCs.
Test drive the vehicle and try to duplicate the setting conditions.

Pick the answer that best describes your findings:

DTC resets with a speed sensor DTC


DTC resets without a speed sensor DTC


No

4. INTERMITTENT WIRING AND CONNECTORS

The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wires while checking for shorted and open circuits.

Were there any problems found?

Yes


No