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 U2511 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.
The Diagnostic Trouble Code (DTC) sets in continuous memory only when the Instrument Panel (IC) does not receive the expected response from the Powertrain Control Module (PCM) over the HS-CAN and the fault may not be present at the time of testing. The data sent by the PCM does not match the data expected by the IC and this DTC is set. This DTC can be caused by the HS-CAN circuits between the IC and the PCM or by either module. This DTC can also be set if the battery voltage is low.
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