DTC P0721: Output Shaft Speed (OSS) Sensor Circuit Range/Performance
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P0721 - OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT RANGE/PERFORMANCE
| Description: The OSS sensor signal is very sensitive to noise. This noise distorts the input to the PCM. | |||
Possible Causes
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| Diagnostic Aids:
Check the routing of the harness. Check the wiring and the connector for damage. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Manual Transmission | GO to PINPOINT TEST DP . | ||
| Automatic Transmission | Refer to the appropriate Automatic Transaxle/Transmission article, Diagnostic Trouble Code (DTC) Index to continue diagnosis. | ||