BTS220401

Tech Line Summary Article
April 2022
BTS220401 Version 1
Rear Toe Actuator Warning Lights with DTC C1600-94
AFFECTED VEHICLES
Year
Model
Trim Level
2019ꟷ20
TLX
FWD
Clients are experiencing multiple warning lights coming on with DTC C1600-94 (Precision All Wheel Steer System
Unexpected Operation). You need to do an all DTC check. If you can duplicate and related codes are present, f ollow the
appropriate troubleshooting. If you cannot duplicate the contention af ter clearing the DTC then f ollow up with the client and
document the driving conditions needed to replicate the complaint.
To better understand your client’s complaint at the time when the DTC warning lights came on, please ask if they noticed
the f ollowing:
• Limp mode (Yes/No):
• Road conditions (Dry/Wet/Snow/Gravel/Grass):
• Throttle input (Accel/Decel/Cruising):
• Driving conditions (Straight ahead or obstacle avoidance maneuver e.g., Pothole/Ball/Animal):
• If turning, steering wheel input (e.g. 9 o’Clock, 1 o’Clock):
• Last alignment (Date):
• And Bef ore/Af ter alignment results:
Please provide VIN, mileage and customer f eedback to [email protected].
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