NHTSA ID Number: 11020600
Manufacturer Communication Number: S2208000138 REV.B
TSB/Document Date: 2025-07-09
Summary
Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
Case Number: S2208000138 Rev. B
Release Date:
July 2025
Symptom/Vehicle Issue: Decreased Remote Start And RKE Range. Tire Pressure
Sensors Values Are Not Displayed
Discussion: Issues with the remote start antenna can cause decreased RKE/remote
start range and loss of tire pressure monitor sensors (TPMS) values. Aftermarket
sensors, electronics and window tint can also decrease RKE and TPM performance.
Diagnosis: Upon scanning the vehicle for DTCs you may find one or more of the
following DTC’s: Remote start antenna DTC B1A76-13. If the cluster displays dashes
instead of the tire pressure sensors. In addition to B1A76-13 you may find one or more
of the following TPMS DTC’s: C1501-31 / C1502-31 / C1503-31 / C1504-31 / C151D00.
A failed remote start antenna can cause issues with multiple tire pressure sensors. But
the most susceptible sensor locations are listed below based on platform:
• DT - Rear TPM sensors
• JL/JT – Front TPM sensors
• KL – Front TPM sensors
• LA, LD, LX – Front TPM sensors
• MP – Front TPM sensors
• RU – Front TPM sensors
• VF – Rear TPM sensors
• WD/WK – Front TPM sensors
• WL/WS – Front TPM sensors
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 or eCONTACT ticket if no
solution is found
Stellantis US LLC
Version 4.5 06/08/2022
Checking the Remote Start Antenna:
Before replacing any component, it’s always recommended to review the antenna for
any physical damages. Perform the following steps to verify the remote start antenna
(RSA) is the root cause of the concern.
1. Make sure that remote start antenna connector is correctly connected and fully
seated to RF hub. Check the remote start connector pin for any damage.
2. Visually inspect the RSA coax cable for damage.
3. Wiggle the coax cable and monitor if the DTC becomes active or stored.
4. Disconnect and reconnect the Remote Start Antenna cable at the RF Hub
Module.
5. With a known good RSA, connect it directly to the RF Hub and monitor if any
RKE range or TPMS issues are resolved.
6. If issues are still present, the key fobs, RFH, and TPMS should be investigated
further.
7. If there are no connection issues found and the normal operation returns with a
known good remote start antenna. Replace the remote start antenna.
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 or eCONTACT ticket if no
solution is found
Stellantis US LLC
Version 4.5 06/08/2022
If you are still experiencing an issue with the vehicles RKE or TPM system and the
remote start antenna testing was inconclusive. The issue may be caused by
aftermarket components installed on the vehicle.
Common aftermarket components which engineering have found affect RKE and TPM
operation are listed below:
Aftermarket TPM sensors commonly found on aftermarket wheels. These sensors
do not conform to the performance and standards of Mopar
factory sensors. The TPM
sensor part number should be confirmed with the vehicles VIN number to ensure it’s
not only a Mopar part, but also the correct sensor for that vehicle.
Aftermarket alarm and GPS systems. These can interfere and mask RKE and TPM
Radio Frequency (RF) signals.
Window Tint. The RF signals generated by the Fob and TPM sensors cannot pass
through the vehicles metal structure. The transmitted RF signals can only pass through
the vehicles glass windows. While window tint of any kind can block the passage of RF
through the vehicles glass. Ceramic tint greatly inhibits transmission of RF signals.
Repair Procedure: Remove any aftermarket components which may interfere with
RKE and TPM signals. Replace the remote start antenna if a deemed necessary by
your testing.
Verification: Confirm normal RKE range and TPMS values are restored.
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 or eCONTACT ticket if no
solution is found
Stellantis US LLC
Version 4.5 06/08/2022
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TSB/Document ID: S2208000138 REV.B
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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