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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - DTC P0340 TO DTC P2138)DTC P0446CONDITIONS FOR RUNNING THE DTC
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Conditions for Running the DTC

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Conditions for Running the DTC
WARNING: This page is about a different variant/trim than selected.
  • DTCs P0106, P0107, P0108, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0220, P0222, P0223, P0442, P0443, P0449, P0451, P0452, P0453, P0454, P0464, P0496, P0608, P0609, P0641, P0651, P1516, P2101, P2119, P2120, P2122, P2123, P2125, P2127, P2128, P2135, P2138 are not set.
  • The ignition voltage is between 11-18 volts.
  • The barometric pressure (BARO) is more than 74 kPa.
  • The fuel level is between 15-85 percent.
  • The engine coolant temperature (ECT) is less than 35°C (95°F).
  • The intake air temperature (IAT) is between 4-30°C (39-86°F).
  • DTC P0446 runs once per cold start when the above conditions are met.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
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  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.