Diagnostic Code Index

2009 Chevrolet Tahoe Base, 4.8 CSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1325  B1325 03: Device Power Circuit Voltage Below Threshold
B1325 07: Device Power Circuit Voltage Above Threshold
DTC B1424  B1424 00: Device Voltage Low - Theft Deterrent Module
DTC B1516  B1516 08: Battery Current Sensor Performance Signal Invalid
B1516 66: Battery Current Sensor Performance Wrong Mounting Position
DTC B1517  B1517 03: Battery Voltage Below Threshold - BCM
B1517 07: Battery Voltage Above Threshold - BCM
B1517 5A: Battery Voltage Plausibility Failure - BCM
DTC B1527  B1527 00: High Parasitic Load
DTC C0895  C0895 00: Device Voltage - Electronic Suspension Control Module
DTC C0899  C0899 00: Device Voltage Low - EBCM (w/o JL4)
C0899 03: Device Voltage Low - EBCM (JL4)
DTC C0900  C0900 00: Device Voltage High - EBCM
DTC P0562 (ECM)  P0562: System Voltage Low - ECM
DTC P0562 (FPCM)  P0562: System Voltage Low - FPCM
DTC P0563 (ECM)  P0563: System Voltage High - ECM
DTC P0563 (FPCM)  P0563: System Voltage High - FPCM
DTC P0615  P0615: Starter Relay Control Circuit
DTC P0621  P0621: Generator L-Terminal Circuit
DTC P0622  P0622: Generator F-Terminal Circuit
DTC P1668  P1668: Generator L-Terminal Control 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:

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