DTC 41
DTC 41: Abnormal Signal Reception ErrorNOTE: Before doing troubleshooting, check for installation of aftermarket devices that may produce radio frequency signals. these devices may interfere with the signals from the tire pressure sensors. If equipped with this type of device, turn it off before continuing with troubleshooting.
1. Check all four wheels to make sure they are the TPMS type with the tire pressure sensor properly mounted in each one.
Is each wheel a TPMS type with a tire pressure sensor?
YES - Go to step 9.
NO - Go to step 2
2. Install the known-good TPMS wheels.
3. To memorize the new sensor ID(s), drive the vehicle above 15 mph (24 km/h) for 40 continuous seconds, or memorize the ID(s) with the HDS.
4. Test-drive the vehicle, and monitor the VSP signal with the HDS.
Is the VSP signal OK?
YES - Go to step 8.
NO - Go to step 5.
5. Turn the ignition switch OFF.
6. Turn the ignition switch ON.
7. Check for DTCs with the HDS. is DTC 85 indicated?
YES - Go to the DTC 85 troubleshooting.
NO - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit and recheck.
8. Turn the ignition switch OFF.
9. Turn the ignition switch ON (II).
10. With the HDS check that all the wheels are receiving and transmitting signals. If no response is shown on the HDS, turn the ignition switch OFF, rotate the appropriate tire � turn, then turn the ignition switch ON (II), and try again. Repeat this step two more times if necessary.
Is there at least one response from each wheel (within one full turn of each fire)?
YES - The system is OK at this time. Clear the DTC.
NO - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit and recheck.