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Diagnostic Fault Information

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ - Terminal 4 B1370 06, B1380 06, B1440 00, U0100-U0299, 2, 4 B1370 06, B1380 06, B1440 00, U0100-U0299 - -
Ignition - Terminal 2 B1370 06, B1380 06, U0100-U0299, 2, 4 B1370 06, 1 B1370 01, U0100-U0299, 1, 2 -
Ignition - Terminal 3 B1370 06, B1380 06, U0100-U0299, 2, 4 B1380 06, 1 B1380 01, P1629, 1 -
Ignition - Terminal 5 B1370 06, B1380 06, B1440 00, U0100-U0299, 2, 4 B1440 00, B1441 06, 1 B1440 00, B1441 01, 1 -
Ignition Voltage - BCM Terminal 21 X4 B1428, 3 B1370 06 - -
Accessory Wakeup Serial Data, BCM Terminal 19 X4 U1814, 3 U0100-U0299, P0513 00 - -
  1. Power Mode Mismatch
  2. Scan Tool Does Not Communicate with High Speed GMLAN Device
  3. This circuit is a pass through circuit in the BCM and will cause the B+ fuse to the ignition switch to be open.
  4. This circuit/condition will cause B+ fuse to the ignition switch to open, and may cause a no start condition.
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