TPMS Symptom Troubleshooting Index

Symptom	Diagnostic procedure	Also check for
HDS does not communicate with the TPMS control unit or the vehicle	Troubleshoot the DLC circuit - Refer to: DLC Circuit Troubleshooting (2019 2020 2021) or DLC Circuit Troubleshooting (2022 2023) .	Faulty data link cable
Low tire pressure/TPMS indicator does not come on	Symptom Troubleshooting .
Low tire pressure/TPMS indicator does not go off, and no DTCs are stored	NOTE: If any of the CAN communication failure DTC is indicated in other system, troubleshooting the DTC first. Check for open wire or shorted wire in the F-CAN circuit; Between the gauge control module and the CAN gateway (F-CAN D_H, F-CAN D_L) Between the body control module and the CAN gateway (F-CAN B_H, F-CAN B_L) Check the body control module power circuit (+B_BACK_UP, +B_SMART, IG1_FUEL_PUMP) Check the body control module ground circuit (PGND, GND) Do the gauge control module self-diagnostic function .	Refer to the followings about the indicator operating condition; How to troubleshoot the TPMS Refer to the followings about the circuit troubleshooting; Gauge control module connector for inputs and outputs Body control module connector for inputs and outputs TPMS circuit diagram - Go to: TPMS Circuit Diagram (2019 2020 2021) or TPMS Circuit Diagram (2022 2023) Fuse to components index Ground to components index

Symptom

Diagnostic procedure

Also check for

HDS does not communicate with the TPMS control unit or the vehicle

Faulty data link cable

Low tire pressure/TPMS indicator does not come on

Low tire pressure/TPMS indicator does not go off, and no DTCs are stored

NOTE: If any of the CAN communication failure DTC is indicated in other system, troubleshooting the DTC first.

Check for open wire or shorted wire in the F-CAN circuit;
- Between the gauge control module and the CAN gateway (F-CAN D_H, F-CAN D_L)
- Between the body control module and the CAN gateway (F-CAN B_H, F-CAN B_L)
Check the body control module power circuit (+B_BACK_UP, +B_SMART, IG1_FUEL_PUMP)
Check the body control module ground circuit (PGND, GND)
Do the gauge control module self-diagnostic function .

Refer to the followings about the indicator operating condition;

Refer to the followings about the circuit troubleshooting;