Diagnostic Aids

WARNING: This page is about a different variant/trim than selected.

The DIC, if equipped, will display TRANSMISSION HOT - IDLE ENGINE when the transmission fluid temperature reaches 132°C (270°F).
Observe DIC messaging that would indicate the engine cooling system is hot.
The TFT displayed on the scan tool should rise steadily to a normal operating temperature, then stabilize.
Ask about the customer's driving habits, trailer towing, etc. Trailer towing should occur in D4.

DTC P0218

Step	Action	Value(s)	Yes	No
1	Did you perform the Diagnostic System Check - Automatic Transmission?	-	Go to Step 2	Go to Diagnostic System Check - Automatic Transmission
2	Install a scan tool. Turn ON the ignition, with the engine OFF. IMPORTANT: Record the Failure Records before clearing the DTC. Using the Clear Info function erases the Failure Records from the ECM and the TCM. Record the DTC Failure Records. Is the engine coolant temperature above the specified value when the DTC set?	125°C (257°F)	Go to Engine Overheating (LY7) , Engine Overheating (LA3, LY9) , Engine Overheating (LS6) or Engine Overheating (LY7) , Engine Overheating (LA3, LY9) , Engine Overheating (LS6) in Engine Cooling	Go to Step 3
3	Clear the DTC. Perform the Transmission Fluid Checking Procedure. Refer to Transmission Fluid Checking Procedure . Is the action complete?	-	Go to Step 4	-
4	Inspect the transmission cooling system for restrictions or damage. Refer to Automatic Transmission Oil Cooler Flushing and Flow Test (J45096) and/or Automatic Transmission Oil Cooler Flushing and Flow Test (J35944 A) . Repair or replace the cooling system components as necessary. Did you find and correct a condition?	-	Go to Step 7	Go to Step 5
5	Perform the Line Pressure Check Procedure. Refer to Line Pressure Check Procedure . Repair the transmission as necessary. Did you find and correct a condition?	-	Go to Step 7	Go to Step 6
6	Test the torque converter for a seized stator. Refer to Torque Converter Diagnosis Procedure . Replace the torque converter as necessary. Did you find and correct a condition?	-	Go to Step 7	-
7	Perform the following procedure in order to verify the repair: Select DTC. Select Clear Info. Operate the vehicle long enough to ensure the transmission temperature remains below 129°C (262°F). Select Specific DTC. Enter DTC P0218. Has the test run and passed?	-	Go to Step 8	Go to Step 2
8	With the scan tool, observe the stored information, capture info and DTC info. Does the scan tool display any DTCs that you have not diagnosed?	-	Go to Diagnostic Trouble Code (DTC) List in Engine Controls - 2.6L and 3.2L or Diagnostic Trouble Code (DTC) List in Engine Controls - 3.6L (LY7)	System OK