Manufacturer Code Charts: 41
TPMS DTC Troubleshooting: 41
DTC 41:
Abnormal Signal Reception Error
NOTE:
- Inspect for an aftermarket electrical device(s) (such as an inverter, battery charger, CB radio, etc) interfering with the RF signal from the tire pressure sensors when turning the ignition switch is ON (II).
- If DTC 32, 34, 36, or 38 is also set, troubleshoot those DTCs first.
1. Turn the ignition switch to LOCK (0).
2. 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 3.
NO -
Install a TPMS type wheel, and memorize the tire pressure sensor ID. Drive the vehicle above 15 mph (24 km/h) continuously for 40 seconds, or memorize the sensor ID with the HDS Testing and Inspection.
3. Test-drive the vehicle.
4. Check the VEHICLE SPEED in the TPMS DATA LIST with the HDS.
Is the vehicle speed indicated?
YES -
Go to step 9.
NO -
Go to step 5.
5. Clear the DTC with the HDS.
6. Turn the ignition switch to LOCK (0).
7. Turn the ignition switch to ON (II).
8. Check for DTCs with the HDS.
Is DTC 85 indicated?
YES -
Go to the DTC 85 troubleshooting 85.
NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit Service and Repair, and recheck.
9. Turn the ignition switch to LOCK (0).
10. Turn the ignition switch to ON (II).
11. Check TPMS DATA LIST for LF, RF, LR, and RR TIRE PRESSURE SENSOR STATUS changes to NORMAL with the HDS.
NOTE: If UNDEFINED is shown on the sensor transmitter 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 displayed, repeat this procedure until NORMAL is shown.
Is NORMAL indicated within one full turn of the tire?
YES -
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.
NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit Service and Repair, and recheck.