Test TC-11A - No Vehicle Speed Sensor Signal (DTC 15)

WARNING: This page is about a different car, the 1994 Plymouth Acclaim and 1994 Dodge Spirit. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION DIRECTORY TABLE . For wiring diagrams, see WIRING DIAGRAMS .

Raise vehicle so drive wheels are free to spin. Start engine. Using DRB, read Vehicle Speed Sensor (VSS) signal. Put transmission in any forward gear. If DRB displays more than zero MPH, go to step 2). If DRB does not display more than zero MPH and vehicle is not a Dakota, go to TEST TC-11B. If DRB does not display more than zero MPH and vehicle is a Dakota, go to TEST TC-11C .
Condition required to set trouble code is not present at this time. The NO VEHICLE SPEED SENSOR SIGNAL trouble code sets if Powertrain Control Module (PCM) does not see a VSS signal at PCM terminal No. 47 (White/Orange wire) for more than 11 seconds. Possible causes are: open or shorted VSS White/Orange wire, failed VSS, open VSS Orange wire, damaged speedometer pinion or failed PCM. Go to next step.
Inspect all related wiring and connectors and repair as necessary. If no problems were found with wiring and connectors, see INACTIVE TROUBLE CODE CONDITION . Perform TEST VER-2 . If related wiring and connectors were repaired, perform TEST VER-2.