Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost of diagnosing the U2196 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Engine RPM data is provided to the Instrument Cluster by the Powertrain Control Module (PCM) through the communication network. The Instrument Cluster sets the OBDII code when the Tachometer Indication is not to factory specifications.
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