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 MANUALSJEEP2023GLADIATOR FREEDOM, FULL TIME T/CASE CONTROLREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANS(ELECTRONIC SHIFT MODULE (ESM) - ELECTRICAL DIAGNOSTICS)
2023 Jeep Gladiator Freedom, Full Time T/Case Control
(Electronic Shift Module (ESM) - Electrical Diagnostics)
2023 Jeep Gladiator Freedom, Full Time T/Case ControlSECTION (Electronic Shift Module (ESM) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B2204-00-Ecu Configuration Mismatch
- P0607-00-Ecu Internal Performance
- P0814-00-Transmission Range Display Circuit
- P0820-00-Gear Lever X-Y Position Sensor Circuit
- P0930-00-BTSI Control Circuit Low
- P0931-00-BTSI Control Circuit High
- P1C86-14-PRNDL Display-Circuit Short To Ground Or Open
- P1C8B-16-Battery Voltage - Circuit Voltage Below Threshold
- P1C8B-17-Battery Voltage - Circuit Voltage Above Threshold
- P1C8C-16-System Voltage-Circuit Voltage Below Threshold
- P1C8C-17-System Voltage-Circuit Voltage Above Threshold
- U0001-00-Can C Bus
- U0002-00-Can C Bus Off Performance
- U0074-00-Dedicated Powertrain-D-Pt-Can Bus Off
- U0100-00-Lost Communication With ECM/Pcm
- U0101-08-Lost Communication With TCM-Bus Signal / Message Failures
- U0140-00-Lost Communication With Body Control Module
- U0402-00-Implausible Data Received From TCM
- U0422-00-Implausible Data Received From Body Control Module
- U114C-00-Lost Communication With PRNDL Display
- U11C3-00-ESM Lost Communication With TCM On D-Pt Can
- U145D-00-Implausible Data Received From TCM On D-Pt
- Standard Procedure
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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.