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 MANUALSFORD2018MUSTANG GT PREMIUM, 2D CONVERTIBLE, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (PEDESTRIAN PROTECTION SYSTEM - WIPER & WASHER SYSTEM)TIRE PRESSURE MONITORING SYSTEM (TPMS)RTM
2018 Ford Mustang GT Premium, 2D Convertible, Automatic Trans
Tire Pressure Monitoring System (TPMS): RTM
2018 Ford Mustang GT Premium, 2D Convertible, Automatic TransSECTION RTM
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| U0146:00 | Lost Communication with Gateway "A": No Sub Type Information | GO to Pinpoint Test H |
| U0401:00 | Invalid Data Received from ECM / PCM "A": No Sub Type Information | GO to Pinpoint Test J |
| U0401:82 | Invalid Data Received from ECM / PCM "A": Alive / Sequence Counter Incorrect / Not Updated | GO to Pinpoint Test J |
| U1A00:00 | Private Communication Network: No Sub Type Information | GO to Pinpoint Test I |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | This DTC is present when a new RTM is installed, or when the RTM is incorrectly flashed or reconfigured. This DTC clears when the RTM is correctly configured. Using a diagnostic scan tool, CONFIGURE the RTM. FOLLOW all diagnostic scan tool instructions. |
| U3000:04 | Control Module: System Internal Failure | CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or improper PMI procedures. If there have been recent service actions with this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. If there have been no recent service actions, INSTALL a new RTM to correct the failure to retain configuration data. REFER to: Radio Transceiver Module (RTM) . |
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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.