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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 243 (Wiring Systems And Power Management - DTC B1380) >> DTC B1380 (BCM) >> Diagnostic Fault Information

Diagnostic Fault Information

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Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Accessory Voltage B1370 06, B1380 06, U0100-U0299, 2** B1380 06, 1 B1380 01, P1629, 1 -
Battery Positive Voltage B1370 06, B1380 06, U0100-U0299, 2** B1370 06, B1380 06, U0100-U0299 - -
Ignition 1 Voltage B1370 06, B1380 06, U0100-U0299, 2** B1370 06, 1 B1370 01, U0100-U0299, 1, 2 -
Off/Run/Crank Voltage B1370 06, B1380 06, U0100-U0299, 2** 1 1 -
Run/Crank Ignition 1 Voltage B1428* B1370 06 - -
Accessory Wakeup Serial Data U1814* U0100-U0299, P0513 00 - -
  1. Power Mode Mismatch
  2. Scan Tool Does Not Communicate with High Speed GMLAN Device
* This circuit is a pass through circuit in the BCM and will cause Ign Switch fuse to open.** This circuit/condition will cause Ign Switch fuse to open, and may cause a no start condition.
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