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 RAM2016CHARGER R/TREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMS(ACTIVE CRUISE CONTROL (ACC) MODULE - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGC15D8-00-MISMATCH TIRE SIZEDIAGNOSTIC TEST
2016 Dodge and Ram Charger R/T
Diagnostic Test
2016 Dodge and Ram Charger R/TSECTION Diagnostic Test
CHECK THE TIRE SIZE
- This is an informational Diagnostic Trouble Code (DTC). The Adaptive Cruise Control (ACC) Module receives the vehicle configuration information over the Can Bus. Tire size is stored in the Body Control Module (BCM) and also in the Anti-lock Brake System (ABS) Module.
Possible causes but not limited too:
- Wrong tires installed on vehicle.
- Incorrect tire size written/stored in the BCM and/or ABS.
- ABS DTCs present.
- Any Service Bulletins that may apply.
Were any of the above conditions present?
Yes
- Repair/reprogram as necessary.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- With the scan tool, perform an ACC Aim Mode - Auto Alignment procedure to relearn a different tire size and to verify the Adaptive Cruise Control (ACC) Module alignment.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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.