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 RAM20241500 TRXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 315 ((DRIVETRAIN CONTROL MODULE (DTCM) PART TIME - ELECTRICAL DIAGNOSTICS - 1500))DTC TROUBLESHOOTINGC1078-00-TIRE REVOLUTIONS RANGE PERFORMANCEDIAGNOSTIC TEST
2024 Dodge and Ram 1500 TRX
Diagnostic Test
2024 Dodge and Ram 1500 TRXSECTION Diagnostic Test
WARNING: This page is about a different car, the 2023 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
CHECK TIRES FOR WRONG SIZE, UNDER INFLATION, AND MINI-SPARE INSTALLED
- This DTC will set if a mini-spare is installed or if a standard tire is the wrong size, under inflated, or severely worn.
Do all four tires meet Original Equipment Manufacture (OEM) specification?
Yes
- With the scan tool, erase the DTCs.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
No
- Repair or replace the tire as necessary in accordance with the Service Information.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
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.