Evaporative purge system not ready

[PewterC5]

All,

The evaporative purge system SRT for my 2000 vette is showing as not ready even though I have zero DTC's (other than some related to the key fob). I need to get it inspected but this is causing the EPA readiness to also be set to not ready (I think). Anyone seen this before? I haven't had time to debug the solenoid etc but I figure'd I'd ask since there aren't any DTC's.

TIA,

Richard

[SSpdDmon]

Are you running in open loop when you see it not ready? I believe the car needs to be in closed loop before the system will work.

[PewterC5]

Its in closed loop unfortunately.

[ChipsByAl]

The system has not run the DTC's for the evap system just yet. To be ready check out these conditions. This is for code P0440.
Al

Conditions for Running the DTC


• DTCs P0107, P0108, P0112, P0113, P0117, P0118, P0125, P0420, P0430, P0500, P0502, P0503, P0562, P0563, P1120, P1220, P1221, and HO2S DTCs are not set.

• The ignition voltage is between 10 volts and 18 volts.

• The barometric pressure is greater than 73 kPa (10.5 psi).

• The fuel level is between 12.5 percent and 87.5 percent of full capacity.

• The engine coolant temperature is between 4°C (39°F) and 30°C (86°F).

• The intake air temperature is between 4°C (39°F) and 30°C (86°F).

• The start up engine coolant and intake air temperatures are within 9°C (16°F) of each other.

[GMPX]

I've only ever seen it not function when in Open Loop, however, we added a calibration to allow it to work in Open Loop too, or else it clogs up.

Cheers,
Ross

[SSpdDmon]

I've only ever seen it not function when in Open Loop, however, we added a calibration to allow it to work in Open Loop too, or else it clogs up.

Cheers,
Ross

Do you have a {Bxxxx} for this?

[PewterC5]

Still haven't figured it out but I WAS able to get it inspected anyhow.

[Chevy366]

See this is a old thread , I have ran into the same darn SRT code , did anyone ever figure out how to reset this SRT code ?
See it can be turned to "not reported" , but don't know if it will pass with it in that state .

Thanks in advance

[joecar]

To get it to come ready, you have to set all of its codes to "Not Reported" in C6001 and to "MIL" in C6002.

Disclaimer: offroad use in Mexico only

Inspection/Maintenance (I/M) System DTC Table

System	DTCs Required to Set System Status to YES
AIR	DTC P0410 DTC P1415 or P1416
Catalyst	DTC P0420 or P0430
EVAP	DTC P0440 DTC P0442 DTC P0446 DTC P1441
Oxygen Sensor	DTC P0133 or P0153 DTC P1133 or P1153 DTC P1134 or P1154
Oxygen Sensor Heater	DTC P0135, P0141, P0155, or P0161

[Chevy366]

Ops , forgot to say it was on the 05 truck PCM , seems some of the codes are expanded upon in the 05 PCMs .
So far this has not worked still trips SRT , evaporative purge system "not ready" state .
Thanks joecar