Diagnostic Test

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

CHECK FOR OTHER TRANSMISSION DTCS
1. With the scan tool, check for other transmission DTCs.
  Are any gear ratio or speed sensor DTCs present in addition to DTC P0219?
  
  Yes
  - Refer to 8HP70 AUTOMATIC TRANSMISSION - DIAGNOSTIC CODE INDEX .
  No
  - Go To 2
CHECK FOR ENGINE DTCS
1. With the scan tool, check for engine DTCs.
  Are any engine DTCs present?
  
  Yes
  - Refer to DTC INDEX .
  No
  - Go To 3
CHECK IF ENGINE MECHANICAL PROBLEMS ARE PRESENT
1. Determine if any Engine mechanical problems are present.
  Are any Engine mechanical problems present?
  
  Yes
  - Repair engine as necessary. Refer to engine service information for the appropriate repair procedures.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Go To 4
CHECK IF TRANSMISSION MECHANICAL PROBLEMS ARE PRESENT
1. Determine if any Transmission mechanical problems are present.
2. Turn the ignition OFF.
3. Remove the Transmission Oil Pan and inspect for excessive debris or a plugged Transmission Oil Filter.
  Is there any debris, plugged Transmission Oil Filter, or signs of an internal transmission problem?
  
  Yes
  - Repair the Transmission in accordance with the Service Information.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Go To 5
TEST DRIVE THE VEHICLE
NOTE:
The Engine and Transmission must not have mechanical problems and be operating normally before proceeding with this test.
1. With the scan tool, erase Transmission DTCs.
2. Road test the vehicle.
3. With the scan tool, read Transmission DTCs.
  Did DTC P0219-ENGINE OVERSPEED reset?
  
  Yes
  - Using the schematics as a guide, check the Transmission Control Module Assembly (TCMA) terminals for corrosion, damage, and pushed out terminals. Pay particular attention to the power and ground circuits. If no problems are found, replace and program the TCMA in accordance with the Service Information. Refer to VALVE BODY, REMOVAL .
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Test Complete.
  - Perform TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .