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DTC B1325 4A Device Power Circuit Checksum Error - IPC Diagnostic Fault Information Circuit/System Description The control modules on this vehicle monitor the battery voltage through the battery positive (B+) Conditions for Running the DTC The engine is running. The battery voltage supplied to the control modules is in the range of 7-26 volts. Conditions for Setting the DTC B1325 03 The control module detects that the system voltage is less than 9 volts for 5 seconds. B1325 07 The control module detects that the system voltage is greater than 18 volts for 5 seconds. B1325 4A The instrument panel cluster (IPC) failed the power on checksum test, either due to low voltage Action Taken When the DTC Sets The control module immediately disables all outputs when an out of range voltage condition Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance B+ B1325 03, 4A B1325 03, 4A - - Ground - B1325 03, 4A - -
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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