DTC P1651: - Power Steering Pressure (PSP) Switch Input
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1651: - POWER STEERING PRESSURE (PSP) SWITCH INPUT
| Description: | The powertrain control module (PCM) counts the number of vehicle speed transitions from 0 to a calibrated speed. After a calibrated number of speed transitions, the PCM expects the PSP input to change. This DTC is set if the transition is not detected. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Check if the vehicle was towed or a power steering repair was carried out. Observe the PSP PID while checking the wires for intermittent concerns. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to Pinpoint Test FF . |