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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0989 To DTC P2764) >> DTC P2719, P2720 or P2721 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Cadillac Escalade EXT, 2007 Cadillac Escalade ESV, and 2007 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

DTC P2719, P2720 or P2721

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Clutch PC Solenoid 4 Control P2720 P2721 P2721 P2719
Clutch PC Solenoid 4 High Side Driver 2 P1833 P1833 P1834 P2719
Clutch PC Solenoid 4 Scan Tool Data

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Clutch PC 4 Sol. CKT Status OK Open/Short to Volts Short to GND Open/Short to Volts
High Side Driver 2 CKT Status OK Open/Short to GND Open/Short to GND Short to Volts