P1154 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | HO2S Transition Time Ratio Conditions |
| Location | Bank 2 Sensor 1 |
| Cause | No ECT, EVAP, IAT, MAF, MAP, Misfire, TP or VSS codes set, DTC P0151, P0152, P0154 and P0155 not active, engine runtime over 75 seconds, engine speed from 1100-3000 rpm, ECT input more than 135°F, MAF input from 15-55 g/sec, EVAP Purge not active, EGR or Catalyst Tests not active, no device controls on, system voltage from 11.7-18v, system in closed loop, all conditions met for over 2 seconds, then the VCM detected that the number of Bank 2 lean-rich and rich-lean transitions within a 100 second sample period was less than a calibrated number |
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