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Scan Tool Data List (Non HP2)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Powertrain Control Module (PCM) Scan Tool Data List (Non HP2)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Ignition ON/Engine OFF
Gasoline Engines Only
Ignition 1 Signal Engine 1,2 Data Volts 9-14 v
GEN L-Terminal Signal Command Engine 2 Data On/OFF On
GEN F-Terminal Signal Engine 2 Data % 10-90%
Ignition ON/Engine OFF
6.6L LB7 Diesel
Ignition 1 Signal Engine 2 Data Volts 9-14 v
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