ESP® Warning Light Does Not Come ON at Ignition Switch ON: Troubleshooting

Step	Action	Yes	No
1	Turn ignition switch to ON position. Do other warning lights come ON?	Go to Step 2.	Go to Step 3.
2	Connect scan tool to DLC with ignition switch turned OFF. Turn ignition switch to ON position and check DTC. Is there DTC U0073?	Go to CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE .	Substitute a known-good combination meter and recheck. If ESP® warning light remains OFF, substitute a known-good ESP® hydraulic unit/control module assembly and recheck.
3	Is Circuit fuse for combination meter in good condition?	Go to Step 4.	Replace fuse and check for short circuit to ground.
4	Check CAN communication circuit between combination meter and ESP® control module. Refer to CAN DTC (LOST COMMUNICATION AND COMMUNICATION BUS OFF) TABLE . Is CAN communication circuit in good condition?	Go to Step 5.	Repair or replace.
5	Remove combination meter with ignition switch turned OFF. Check for proper connection to "PPL/RED" and "BLK" wire of combination meter connector. If OK, turn ON ignition switch and measure voltage at "PPL/RED" wire of combination meter connector and vehicle body ground. Is it 10 - 14 V?	Go to Step 6.	Repair power supply circuit for combination meter.
6	Measure resistance between "BLK" wire of combination meter connector and vehicle body ground. Is resistance less than 2 Ω?	Replace combination meter.	"BLK" circuit open or high resistance.