Engine Electrical DTCS

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Engine Electrical DTCS
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE ELECTRICAL DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC DEFINITION
DTC B1325 Device Power 1 Circuit
DTC B1327 Device Power 1 Circuit Low
DTC B1328 Device Power 1 Circuit High
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0621 Generator L-Terminal Circuit
DTC P0622 Generator F-Terminal Circuit
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.