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 RAM2024DURANGO GT PLUS, AWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANS8HP50/850RE AUTOMATIC TRANSMISSION - DTCS U0120-00 TO U1477-00
2024 Dodge and Ram Durango GT Plus, AWD
8HP50/850RE Automatic Transmission - DTCS U0120-00 To U1477-00
2024 Dodge and Ram Durango GT Plus, AWDSECTION 8HP50/850RE Automatic Transmission - DTCS U0120-00 To U1477-00
- DTC Troubleshooting
- U0120-00 Lost Communication With Starter/Generator Control Module
- U0121-00 Lost Communication With Anti-Lock Brake System (Abs) Control Module
- U0140-00 Lost Communication With Body Control Module
- U0155-00 Lost Communication With Cluster/CCN
- U0212-00 Lost Communication With Steering Column Control Module
- U0401-00 Implausible Data Received From ECM/Pcm
- U0403 Implausible Data Received From T-Case
- U0404-00 Implausible Data Received From ESM
- U0405 Invalid Data Received From Cruise Control Module
- U0415-00 Implausible Data Received From Abs
- U0422-00 Implausible Data Received From Body Control Module
- U0423-00 Implausible Data Received From Cluster-CCN
- U0429-00 Implausible Data Received From SCM
- U0469-00 Invalid Data Received From Starter/Generator Control Module
- U11C3-00 ESM Lost Communication With TCM On Dpt Can
- U11E3-00 TCM Lost Communication With ESM On Dpt Can
- U11E4-00 Can Communication Messages Missing
- U1267-00 No Valid Data From ESM On Can-C Or Can-Dpt
- U1400-00 Implausible TPS Signal Received
- U1401-00 Implausible Engine Speed Signal Received
- U1412-00 Implausible Vehicle Speed Signal Received
- U1424-00 Implausible Engine Torque Signal Received
- U1428-00 Implausible Engine Torque Signal Received
- U1461-00 Implausible Data Received From ESM On Dpt
- U1465-00 Implausible Driver Shift Request Signal Received
- U1466-00 Implausible Driver Shift Request Signal Received On Dpt Can
- U1477-00 Implausible Paddle Shifter Data Received
RENDER: 1.0x
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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.