Test A: DTC C1445 - Vehicle Speed Signal Circuit Failure
Pinpoint Test A: DTC C1445 - Vehicle Speed Signal Circuit FailureNormal Operation
For vehicles with air suspension, the powertrain control module (PCM) sends the vehicle speed information to the air suspension control module along circuit 679 (GY/BK). For vehicles without air suspension, the PCM sends the vehicle speed information to the variable assist power steering (VAPS) module along circuit 679 (GY/BK).
Possible Causes
^ Circuit open
^ Circuit shorted
^ Air suspension module
^ VAPS module