Code Enable Criteria

Conditions for running DTC:

• DTCs P0101, P0102, P0107, P0108, P0117, P0118, P0121, P0122, P0123, P0125, P0336, P0341, P0502, P0503, P1106, P1107, P1114, P1115, P1121, P1122, P1336, P1351, P1352, P1361, P1362 or P1374 is not set.
• Engine speed is at least 525 RPM, but not greater than 5900 RPM.
• System voltage is 9-18 volts.
• Engine coolant temperature is at least 21°F (-7°C), but not greater than 255°F (125°C).
• Throttle angle is steady.

DTC will set when PCM is detecting a crankshaft rotation speed variation indicating a misfire rate sufficient to cause the emissions levels to exceed the mandated standard.