DTC U2005-68: Pcm Communication Error (Vehicle Speed Signal): Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC U2005:68 SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	PCM communication error (vehicle speed signal)
Detection condition	SAS control module receives vehicle speed signal error from the PCM for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	PCM malfunction SAS control module malfunction
System wiring diagram	Not applicable