Without HDS

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine.
- If the engine does not start, go to the immobilizer system troubleshooting (see ENGINE DOES NOT START WITH THE IMMOBILIZER KEY ).
- If the engine starts, Go to step 2.
Press the transmitter lock or unlock button at least 10 times to reset the transmitter.
- If the locks work, the transmitter is OK.
- If the locks do not work, go to step 3.
Open the transmitter and check for water damage.
- If you find any water damage, replace the transmitter and register the new transmitter.
- If there is no water damage, Go to step 4.
Fig 1: Identifying Transmitter
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button at least 10 times.
- If the doors lock and unlock, the transmitter is OK.
- If the doors do not lock and unlock, go to step 5.
Fig 2: Identifying Transmitter Battery
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reprogram and register the transmitter (see REGISTRATION FOR IMMOBILIZER SYSTEM ), then try to lock and unlock the doors.

If the doors lock and unlock, the transmitter is OK.
If the doors do not lock and unlock, substitute a known-good transmitter, register and recheck (see REGISTRATION FOR IMMOBILIZER SYSTEM ). If still not operating, replace the immobilizer-keyless control unit.