Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0405, P0406, P0489, P0490, P0500, P0651, P2142, P2144, P2144, and P2145 are not set.
- The EGR valve vacuum control solenoid has been commanded to more than 70 percent.
- The PCM is not in the Reduced Engine Power mode.
- The BARO parameter is more than 72 kPa.
- The Engine Speed parameter is between 610-820 RPM and is steady within 50 RPM for more than 3 seconds.
- The ECT Sensor parameter is between 60-100° C (140-212° F).
- The Calculated Fuel Rate parameter is between 3-20 mm3 .
- The power take off (PTO) is disabled, if equipped.
- The IAT Sensor parameter is more than 0° C (32° F).
- The APP Indicated Angle parameter is less than 1 percent.
- The Ignition 1 Signal parameter is between 11-18 volts.
- The Vehicle Speed Sensor parameter is less than 0.40 km/h (0.25 mph).
- The Engine Run Time parameter is more than 5 seconds.
- All of the above conditions are met for more than 3 seconds.