DTC 81: TPMS Control Unit Failure
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Low battery voltage can cause this DTC Make sure the battery is fully charged and in good condition (see
BATTERY TEST
)
- Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
- Clear the DTC with the HDS
- Turn the ignition switch to LOCK (0), then turn it to ON (II) again, or select the OFF mode, then the ON mode
- Check for DTCs with the HDS
Is DTC 81 indicated?
YES -Replace the TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT )
NO -The system is OK at this time Check for loose terminals and poor connections at the TPMS control unit and G403