DTC P1502: Vehicle Speed Sensor (VSS) Intermittent
P1502 - VEHICLE SPEED SENSOR (VSS) INTERMITTENT
| Description: Indicates the PCM detected an error in the vehicle speed information. Vehicle speed data is received from either the VSS or anti-lock brake system (ABS) control module. This DTC sets the same way as P0500. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error. | |||
| Possible Causes: See the possible causes for DTC P0500 in P0500 - VEHICLE SPEED SENSOR (VSS) A . | |||
| Diagnostic Aids: See the diagnostic aids for DTC P0500 in P0500 - VEHICLE SPEED SENSOR (VSS) A . | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| F-Series Super Duty, Motorhome / Stripped Chassis / Step Van |
GO to PINPOINT TEST DF . | ||
| Manual Transmission | GO to PINPOINT TEST DP . | ||
| All others | The PCM uses information from the ABS control module and the transmission control module (TCM) to calculate vehicle speed. Check these modules for DTCs. | ||