Wednesday, April 14, 2021

2010 Cadillac Truck SRX AWD V6-3.0L Page 1560

2010 Cadillac Truck SRX AWD V6-3.0L Page 1560



瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.



3. Connect a 15 A fused jumper wire between B+ and the ECM PWR/TRN relay switch control terminal 87. Ignition ON, verify that a test lamp



illuminates between the IGN/B+ circuit terminals listed below and ground:



* Terminal 52 X1 (LF1)



* Terminal 70 X1 (LF1)



* Terminal 73 X1 (LF1)



* Terminal 3 X2 (LAU)



* Terminal 5 X2 (LAU)



* Terminal 6 X2 (LAU)



* Terminal 41 X2 (LAU)



* Terminal 56 X2 (LAU)



* Terminal 54 X2 (LAU)



瀚慖f the test lamp does not illuminate , test the IGN/B+ circuit for a short to ground or an open/high resistance.



4. If all circuits test normal, replace the K20 ECM.



Fuel Pump Control Module



1. Ignition OFF, disconnect the harness connectors at the K27 fuel pump control module.



2. Ignition OFF and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 5 Ohms between the ground



circuit terminal 25 and ground.



瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.



3. Verify that a test lamp illuminates between the IGN/B+ circuit terminals listed below and ground:



* Terminal 1



* Terminal 21



瀚慖f the test lamp does not illuminate, test the IGN/B+ circuit for a short to ground or an open/high resistance.



4. If all circuits test normal, replace the K27 fuel pump control module.



Transmission Control Module



1. Ignition OFF, disconnect the harness connectors at the T12 transmission.



2. Ignition OFF, and scan tool disconnected, open and close the driver door, and wait 1 minute. Test for less than 5 Ohms between the ground



circuit terminals listed below and ground:



* Terminal 1 (MH2 or MH4)



* Terminal 18 (MH2 or MH4)



* Terminal 9 (MXE)



瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.



3. Ignition ON, verify that a test lamp illuminates between the IGN/B+ circuit terminals listed below and ground:



* Terminal 10 (MH2 or MH4)



* Terminal 1 (MXE)



瀚慖f the test lamp does not illuminate , test the IGN/B+ circuit for a short to ground or an open/high resistance.



4. If all circuits test normal, replace the K71 transmission control module.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



Control Module References (See: Testing and Inspection/Programming and Relearning) for the appropriate control module replacement, setup,



and programming



6T70/6T75 - Automatic Transmission



DTC P0562, P0563, or P2534



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

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