Conditions For Running DTC

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0315, P0335, P0336, P0341, P0342, P0343, P0502, P0503, P1114, P1115, P1121, P1122 or P1258 are not set.
The engine speed is between 450-5000 RPM.
The ignition voltage is between 10-18 volts.
The Engine Coolant Temperature (ECT) is between 19-266°F (-7-130°C).
The fuel level is more than 10 percent.
The Throttle Position (TP) sensor angle is steady within 1 percent.
The anti-lock brake system (ABS) and the traction control system are not active.
The transmission is not changing gears.
The A/C clutch is not changing states.
The PCM is not in fuel shut-off or Decel Fuel Cut-Off (DFCO) mode.
The PCM is not receiving a rough road signal.