P1909
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Manufacturer Specific Definitions for P1909
| Make | Fault Location |
|---|---|
| Audi | Data bus, ECM 1/2 - no signal from ECM 1 |
| Citroen | Trans Temp Sensor Circuit Open or Shorted to Pwr or Gnd |
| Dodge | Manifold absolute pressure (MAP) sensor circuit high |
| Ford | Transmission Temperature Sensor Circuit Open or Shorted to Power Or Ground |
| Freightliner | Manifold absolute pressure (MAP) sensor circuit high |
| Kenworth | P1909 - Fault data for upstream NOx sensor heater warmup monitor |
| Peterbilt | P1909 - Fault data for upstream NOx sensor heater warmup monitor |
| Peugeot | Trans Temp Sensor Circuit Open or Shorted to Pwr or Gnd |
| Volkswagen | Transmission Temperature Sensor Circuit Open or Shorted to Power Or Ground |
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