DTC 81: TPMS Control Unit Failure
WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. 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.
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), then turn the ignition switch to ON (II) again.
- 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.