DTC 83: No VSP Signal

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Check the fuel and emission systems DTCs with the HDS, and troubleshoot the PCM and F-CAN communication errors first (see GENERAL TROUBLESHOOTING INFORMATION ).

Turn the ignition switch to ON (II).
Clear the DTC with the HDS.
Test-drive the vehicle.
Check for DTCs with the HDS.
Is DTC 83 indicated?

YES -Go to step 5.

NO -The system is OK at this time.
Check for DTCs with the HDS.
Is DTC 85 indicated?

YES -Go to DTC 85 troubleshooting (see DTC 85: F-CAN COMMUNICATION FAILURE ).

NO -Go to step 6.
Test-drive the vehicle.
Check the VEHICLE SPEED in the TPMS DATA LIST with the HDS.
Is the vehicle speed indicated?

YES -Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck.

NO -Go to step 8.
Check the speedometer.
Does the speedometer register speed?

YES -Replace the TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ).

NO -Update the PCM if it does not have the latest software (see KNOCK SENSOR REPLACEMENT ), or substitute a known-good PCM (see SUBSTITUTING THE PCM ), then go to step 1 and recheck. If the PCM was updated and DTCs are not indicated, troubleshooting is complete. If the PCM was substituted and DTCs are not indicated, replace the original PCM (see PCM REPLACEMENT ).