P1502 - Vehicle Speed Sensor (VSS) Intermittent
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1502 - VEHICLE SPEED SENSOR (VSS) INTERMITTENT
| Description: | Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS) or antilock brake system (ABS) control module. This DTC is set the same way as P0500. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. | ||
| Possible Causes: |
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| Diagnostic Aids: | Refer to Diagnostic Aids for P0500. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| F-150 U/8500 4x4 MSOF, F-150 Heritage U/8500 4x4 MSOF | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 9 | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 9 | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 9 |
| Excursion, F-Super Duty | GO to DF: Vehicle Speed Circuit Check STEP 1 | GO to DF: Vehicle Speed Circuit Check STEP 1 | GO to DF: Vehicle Speed Circuit Check STEP 1 |
| Escape Manual | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 1 | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 1 | GO to DP: Vehicle Speed Sensor (VSS)/Transfer Case Speed Sensor (TCSS) STEP 1 |
| Town Car, Freestar/Monterey, LS, Thunderbird | Vehicle speed information is provided by the anti-lock brake system. Go to the appropriate ANTI-LOCK CONTROL article, to perform complete diagnosis. | Vehicle speed information is provided by the anti-lock brake system. Go to the appropriate ANTI-LOCK CONTROL article, to perform complete diagnosis. | Vehicle speed information is provided by the anti-lock brake system. Go to the appropriate ANTI-LOCK CONTROL article, to perform complete diagnosis. |
| All others | All Automatic Transmissions go to the appropriate AUTOMATIC TRANSMISSION article. | All Automatic Transmissions go to the appropriate AUTOMATIC TRANSMISSION article. | All Automatic Transmissions go to the appropriate AUTOMATIC TRANSMISSION article. |