Case Number: S2408000104 Rev. A
Release Date: July 2025

Symptom/Vehicle Issue: Remote Keyless Entry (RKE) has Reduced Range, Remote Start
Inoperative, Multiple Keyless-Go Push Attempts to Start, Key not Detected message, Tire Pressure
Warning Lamp On

Technician Observation: If the owner has a complaint with any of the above conditions and or a
tire sensor lamp that is flashing. The technician may find any of the following related Diagnostic
Trouble Codes (DTCs) that may be set B1A76 Remote Start Antenna Connection Open with C151D00 Tire Sensor Missing, C1501-31, C1502-31, C1503-31, C1504-31 Tire Sensor No Signals as stored
or active.

Repair Procedure: Inspect the Remote Start Antenna (RSA) at the Radio Frequency Hub
(RFHUB) looking for loose or damaged connection. Visually inspect the remote start antenna
connection at the remote start antenna , rear headliner location. Secure connections as needed to
test and or swap out the RSA (remote start test antenna or jumper RFHUB to RSA) with a known
good antenna to confirm the operation Pg 1 and 2.
NOTE: These inspections should be performed prior to any service parts replacements. See
operation characteristics below pg 3.

Disconnect Coax and inspect:
1.
2.
3.
4.

Check for damage at the RFHUB and/or RSA Locations.
Secure Reconnect Coax – Test or check operation with test lead or known good part.
Reset ECU
Verify proper operations without DTCs.

Returning concerns after testing:
1. After market equipment inspection
2. Check the Key FOB range to validate operational strength with RF tester.
Pg 1
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.

Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service
Library entry if no solution is found.
Stellantis US LLC

Version 4.5 07/22/2022

Remote Start
Antenna

RFHUB

Pg 2
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.

Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service
Library entry if no solution is found.
Stellantis US LLC

Version 4.5 07/22/2022

1. When Remote Starting, the engine will only run for 15 minutes.
2. Remote Start can only be used twice.
3. The ignition must be placed in the ON/RUN position before the Remote Start sequence can
be repeated for a third cycle.
4. If an engine fault is present or the fuel level is low, the vehicle will start and then shut down
in 10 seconds.
5. If the vehicle battery is low or below certain threshold, the RF hub & remote start antenna
may lose its functionality. (Normal operating range of RSA is 10-12V). Check for any low
voltage DTCs and recharge batteries before replacing the RF hub or RSA. Review Service
Library (SL): 29 - Non-DTC Diagnostics / Starting / Diagnosis and Testing to assist with
diagnostics as needed.

Pg 3
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.

Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service
Library entry if no solution is found.
Stellantis US LLC

Version 4.5 07/22/2022