Ram Trucks 2015 Chassis Cab Commercial - Owner Manual - Manual (Page 419)

If the ignition switch is cycled, this sequence will repeat,
providing the system fault still exists. If the system fault
no longer exists, the “Tire Pressure Monitoring Telltale
Light” will no longer flash, and the ЉSERVICE TPM
SYSTEMЉ message will no longer display, and a pressure
value will display in place of the dashes. A system fault
can occur due to any of the following:
• Signal interference due to electronic devices or driving
next to facilities emitting the same radio frequencies as
the TPM sensors.
• Installing aftermarket window tinting that contains
materials that may block radio wave signals.
• Accumulation of snow or ice around the wheels or
wheel housings.
• Using tire chains on the vehicle.
• Using wheels/tires not equipped with TPM sensors. Tire Pressure Monitor Display
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