LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 510 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P1934 - Vehicle Speed Signal

P1934 - Vehicle Speed Signal

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2014 Lincoln Navigator, 2014 Lincoln MKZ, 2014 Lincoln MKX, 2014 Lincoln MKT, and 2014 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
P1934 - VEHICLE SPEED SIGNAL

Description:  This DTC sets when there is a sudden loss of vehicle speed signal over a period of time. Vehicle speed data is received from either the transmission control module (TCM) or the anti-lock brake system (ABS) module.
Possible Causes: 
  • VSS+ circuit open
  • VSS- circuit open
  • VSS circuit short to ground
  • VSS circuit short to voltage
  • Damaged drive mechanism for VSS
  • Damaged VSS
  • Damaged wheel speed sensors
  • Damaged wheel speed sensor harness circuits
Diagnostic Aids:  Monitor the VSS PID while driving the vehicle. If vehicle speed data is lost, check the TCM or ABS module for related DTCs.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Manual Transmission GO to PINPOINT TEST DP: OUTPUT SHAFT SPEED (OSS) SENSOR/VEHICLE SPEED SENSOR (VSS) .
All others The PCM uses information from the ABS module and the transmission control module (TCM) to calculate vehicle speed. Check these modules for DTCs.
scientia non olet · About LEMON Manuals