Conditions for Running the DTC
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Condition 1
- Before the ECM can report DTC P2096 or P2098 failed, DTCs P0036, P0037, P0038, P0056, P0057, P0058, P0130, P0137, P0138, P0140, P0150, P0157, P0158, P0160, P064D, P064E, P2231, P2232, P2234, P2235, P2270, P2271, P2272, P2273, P2297, and P2298, must run and pass.
- DTC P0030, P0031, P0032, P0050, P0051, P0052, P0131, P0132, P0135, P0141, P0151, P0152, P0155, P0161, P2237, P2240, P2243, P2247, P2251, P2254, P2626, or P2629 is not set.
- The engine is operating.
- The engine speed and load are steady.
- The Closed Loop fuel control is active.
- The engine has cycled ON and OFF greater than 29 times.
- The fuel system is not in decel fuel cut-off (DEFCO)
- Catalyst heating or catalyst clear-out is not active.
- The cumulative mass air flow (MAF) into the engine is greater than 150 grams.
- The MAF is between 6-39 g/s
- The calculated exhaust temperature is between 350-850°C (662-1,562°F).
- The HO2S 1 Lambda is less than 1.000.
- HO2S 2 signal voltage is greater than 400 mV.
- DTCs P2096 and P2098 run continuously when the conditions above have been met.
Condition 2
- Before the ECM can report DTC P2096 or P2098 failed, DTCs P0036, P0037, P0038, P0056, P0057, P0058, P0130, P0137, P0138, P0140, P0150, P0157, P0158, P0160, P064D, P064E, P2231, P2232, P2234, P2235, P2270, P2271, P2272, P2273, P2297, and P2298, must run and pass.
- DTC P0030, P0031, P0032, P0050, P0051, P0052, P0131, P0132, P0135, P0141, P0151, P0152, P0155, P0161, P2237, P2240, P2243, P2247, P2251, P2254, P2626, or P2629 is not set.
- The HO2S 1 are in Closed Loop.
- The air flow into the engine is greater than 40 grams in each of a total of 7 auto-starts.
- The calculated exhaust gas temperature of the HO2S 1 is warmer than 720°C (1,328°F).
- The HO2S 1 Lambda is greater than 1.000.
- The HO2S 2 signal is greater than 600 mV.
- DTCs P2096 and P2098 run continuously when the conditions above have been met.