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z Inspect for ABS DTCs. A faulty ABS condition may contribute to setting DTC P0719. Test Description The numbers below refer to the step numbers on the diagnostic table. 3: This step isolates the brake switch as a source for setting the DTC. DTC P0719 Step Action Value (s) Yes No 1 Did you perform the Diagnostic System Check - - Go to Step 2 Go to Diagnostic System Check - Engine Controls in Engine Controls - 6.0L (LQ4) 2 1. Install a scan tool. 2. Turn ON the ignition, with the engine OFF. 3. Record the DTC Failure Records. 4. Clear the DTC. 5. Select TCC Brake Switch on the scan tool. 6. Disconnect the brake switch connector from the brake switch. 7. Connect a test lamp from terminal C of the brake switch connector to ground. Does the test lamp illuminate? IMPORTANT: Before clearing the DTC, use the scan tool CAUTION: Refer to SIR Caution in Cautions and - Go to Step 3 Go to Step 4 3 Connect a fused jumper wire between terminal C - Go to Step 7 Go to Step 9 Inspect the brake fuse for an open.
2004 Hummer H2 2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E Diagnosis (DTC P0218 To DTC P2771) - Hummer H2
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