Is the CEL out? check engine lamp out? is the odometer dead too. if you scan the PCM is MPH dead???? look is it. if not dead, in the OBD2 PID stream then the speedo is bad. if the OBD2 PID stream shows dead VSS then it is dead. VSS is veh, speed sensor. the tool is $9 (USB obd2 scanner)
Answers & Comments
Is the CEL out? check engine lamp out?
is the odometer dead too.
if you scan the PCM is MPH dead???? look is it.
if not dead, in the OBD2 PID stream then the speedo is bad.
if the OBD2 PID stream shows dead VSS then it is dead.
VSS is veh, speed sensor.
the tool is $9 (USB obd2 scanner)