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Page 225 of 496

RAM 1500 2021  Owners Manual 
STARTING AND OPERATING223
Integrated Trailer Brake Module — If 
Equipped 
Your vehicle may have an Integrated Trailer 
Brake Module (ITBM) for Electric and Electric 
Over Hydraulic (EOH) trailer br

Page 226 of 496

RAM 1500 2021  Owners Manual 
224STARTING AND OPERATING  
Adjusting GAIN
NOTE:
This should only be performed in a traffic free 
environment at speeds of approximately 
20–25 mph (30–40 km/h).

1. Make sure the trailer brakes

Page 227 of 496

RAM 1500 2021  Owners Manual 
STARTING AND OPERATING225
Display Messages
The trailer brake control interacts with the 
instrument cluster display. Display messages, 
along with a single chime, will be displayed 
when a malfunctio

Page 228 of 496

RAM 1500 2021  Owners Manual 
226STARTING AND OPERATING  

Seven-Pin Connector

Trailer Light Check
This feature will run the trailer lights through a 
sequence to check the trailer light function. It is 
available in the Instrum

Page 229 of 496

RAM 1500 2021  Owners Manual 
STARTING AND OPERATING227
Hazard switch is activated
Any button on the key fob is pushed
Ignition button is pushed
High Beam stalk position is changed
Sequence is canceled in the instr

Page 230 of 496

RAM 1500 2021  Owners Manual 
228STARTING AND OPERATING  
BEFORE PLOWING
Check the hydraulic system for leaks and 
proper fluid level.
Check the mounting bolts and nuts for proper 
tightness.
Check the runners and cuttin

Page 234 of 496

RAM 1500 2021  Owners Manual 
232STARTING AND OPERATING  
Shifting Into N (Neutral) 
Use the following procedure to prepare your 
vehicle for recreational towing.
 1. Bring the vehicle to a complete stop on 
level ground, with th

Page 235 of 496

RAM 1500 2021  Owners Manual 
STARTING AND OPERATING233
NOTE:
Steps 2 and 3 are requirements that must be 
met before pushing the N (Neutral) button, 
and must continue to be met until the shift has 
been completed. If any of