Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM20231500 TRXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 102 (GLOBAL TELEMATICS BOX MODULE - DTCS B22A9-96 TO U3033-00 - 1500 CLASSIC)
2023 Dodge and Ram 1500 TRX
Section 102 (Global Telematics Box Module - DTCS B22A9-96 To U3033-00 - 1500 Classic)
2023 Dodge and Ram 1500 TRXSECTION Section 102 (Global Telematics Box Module - DTCS B22A9-96 To U3033-00 - 1500 Classic)
WARNING: This page is about a different car, the 2023 RAM 1500 Classic. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- B22A9-96-Ecu Internal Performance-Component Internal Failure
- B273C-87-Digital Crash Input-Missing Message
- U0001-00-Can C Bus
- U0001-87-Can-C Bus Missing Message
- U0002-00-Can C Bus Off Performance
- U0002-88-Can C Bus Off Performance-Bus Off
- U0010-00-Can Interior Bus
- U0010-87-Can Interior Bus-Missing Message
- U0010-88-Can Interior Bus-Bus Off
- U0011-00-Can Interior Bus Off Performance
- U0100-00-Lost Communication With ECM/Pcm "A"
- U0100-87-Lost Communication With ECM/Pcm "A"-Missing Message
- U0129-00-Lost Communication With Brake System Control Module 1
- U0129-87-Lost Communication With Brake System Control Module 1-Missing Message
- U0140-00-Lost Communication With Body Control Module
- U0140-87-Lost Communication With Body Control Module-Missing Message
- U0151-00-Lost Communication With Occupant Restraint Controller (Orc)
- U0151-87-Lost Communication With Occupant Restraint Controller (Orc)-Missing Message
- U0155-00-Lost Communication With Cluster/CCN
- U0155-87-Lost Communication With Cluster/CCN-Missing Message
- U0184-00-Lost Communication With Radio
- U0184-87-Lost Communication With Radio-Missing Message
- U0401-86-Implausible Data Received From ECM/Pcm "A"-Signal Invalid
- U0418-64-Implausible Data Received From Brake System Control Module 1-Signal Plausibility Failure
- U0418-86-Vehicle Speed Can Signal
- U0422-86-Invalid Data Received From Body Control Module
- U0423-86-Implausible Data Received From Cluster/CCN-Signal Invalid
- U0452-64-Implausible Data Received From Restraints Control Module-Signal Plausibility Failure
- U0452-86-Implausible Data Received From Restraints Control Module-Signal Invalid
- U0485-64-Implausible Data Received From Radio-Signal Plausibility Failure
- U0485-86-Implausible Data Received From Radio-Signal Invalid
- U1932-86-Operational Mode Status From BCM Missing-Signal Invalid
- U3033-00-Control Module Security Certificate Missing/Invalid
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.