Conditions For Running DTC

WARNING: This page is about a different car, the 2002 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0116, P0117, P0118, P0125, P0335, P0336, P0341, P0342, P0343, P0500, P0502, P0503, P1120, P1220, P1221, or P1258 are not set.
The engine speed is between 425-3000 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 secondary Air Injection (AIR) diagnostic test is not in progress (CA emissions only).
The A/C clutch is not changing states.
The PCM is not in fuel shut-off or Decel Fuel Cut-Off (DFCO) mode.
The ABS signal is not exceeding rough road thresholds.