Diagnostic Code Index

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Pontiac Torrent and 2007 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1000  Electronic Control Unit (ECU) Performance Issues
DTC B1001  Option Configuration Error
DTC B1004  Keep Alive Memory (KAM) Reset
DTC B1009  EEPROM Checksum Mismatch
DTC B1016  VIN Not Programmed
DTC U0073  Control Module Communication Bus Off Invalid Or Incorrect
DTC U0100-U0299  Lost Communication With ECM/PCM
DTC U1500  Inter-Device Dedicated Bus 1
DTC U1814  Powertrain High Speed Communication Enable Circuit
DTC U2099  High Speed Communication Enable Circuit
DTC U2100  Controller Area Network (CAN) Bus Communication
DTC U2104  Controller Area Network (CAN) Bus Reset Counter Overrun
DTC U2105-U2199 (Except U2142 and U2143)  Lost Communication With Engine, Body Or Transmission Control System
DTC U2105-U2199 (U2142 or U2143 only)  Lost Communication With Yaw Rate Sensor (YRS) Or Steering Angle Sensor (SAS)
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.