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 MOJAVE, PART TIME T/CASE CONTROL, AUTOMATIC TRANSREPAIR AND DIAGNOSISBODY & FRAMESEATS(DRIVER PRESENCE DETECTION MODULE (DPDM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGU0140-00 LOST COMMUNICATION WITH THE BODY CONTROL MODULE MODULEDIAGNOSTIC TEST
2023 Jeep Gladiator Mojave, Part Time T/Case Control, Automatic Trans
Diagnostic Test
2023 Jeep Gladiator Mojave, Part Time T/Case Control, Automatic TransSECTION Diagnostic Test
CHECK FOR AN ACTIVE DTC
NOTE:
For vehicle communication issues, use the scan tool Module Topology, which depicts a high level view of the vehicle networks. Modules without network communication will appear in red.
- Turn the ignition on.
- With a scan tool, read DTCs and record on the repair order.
- Record the Environmental Data.
- With a scan tool, read DTCs.
Is the DTC active?
Yes
- Perform the NO RESPONSE FROM ECU procedure for the Body Control Module (BCM). Refer to NO RESPONSE FROM ECU .
No
- Perform the STORED LOST COMMUNICATION DTCs procedure. Refer to STORED LOST COMMUNICATION DTCS .
RENDER: 1.0x
NO RELATED
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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.