DTC 41: Abnormal Signal Reception Error

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: Inspect for an aftermarket device interfering with the RF signal from the sensors when turning the ignition switch to ON (II).

Turn the ignition switch to LOCK(O).
Check all four wheels to make sure they are the TPMS type with the tire pressure sensor.
Is each wheel a TPMS type with a tire pressure sensor mounted on the vehicle?

YES - Go to step 5.

NO - Go to step 3.
Install known-good TPMS wheel(s).
To memorize the sensor ID(s), drive the vehicle above 15 mph (24 km/h) for 40 continuous seconds, or memorize the ID(s) with the HDS (see MEMORIZE THE ID WITH THE HDS ).
Test-drive the vehicle.
Check the VEHICLE SPEED in the TPMS DATA LIST with the HDS.
Is the vehicle speed indicated?

YES - Go to step 10.

NO - Go to step 7.
Turn the ignition switch to LOCK (0).
Turn the ignition switch to ON (II).
Check for DTCs with the HDS.
Is DTC 85 indicated?

YES - Go to the DTC 85 troubleshooting (see ).

NO - 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.
Turn the ignition switch to LOCK (0).
Turn the ignition switch to ON (II).
Check TPMS DATA LIST for LF, RF, LR, and RR TIRE PRESSURE SENSOR TRANSMITTER STATUS changing to NORMAL with the HDS.
NOTE: If the HDS screen shows UNDEFINED for sensor status, turn the ignition switch to LOCK (0), rotate the tire 1/4 turn, then turn the ignition switch to ON (II), and try again. If UNDEFINED is still shown, repeat the procedure in the previous sentence until NORMAL is shown.

Is NORMAL indicated within one full turn of the tire?

YES - The system is OK at this time. Clear the DTC with the HDS.

NO - 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.