High Vehicle Speed Observed in Park
Table of contents
P1706 MERCURY Possible Causes
- Faulty Floor shifter
- Floor shifter harness is open or shorted
- Floor shifter circuit poor electrical connection
- Faulty Instrume Panel Cluster (IPC)
- Faulty Transmission Control Module (TCM)
How do I fix code P1706 MERCURY?
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.
Cost of diagnosing the P1706 MERCURY code
The cost of diagnosing the P1706 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1706 MERCURY Description
If the transmission mode displays actual input or transmission gear display actual message is missing from the Body Control Module (BCM) for less than the programmed length of time, the PRNDL display remains in the last indication mode. If the BCM does not receive the transmission mode display actual input or transmission gear display actual message is missing from the TCM for longer than the programmed length of time. If the transmission mode display actual input or transmission gear display actual message is missing from the BCM, the Instrume Panel Cluster (IPC) defaults the PRNDL display to blank. A continuous memory Diagnostic Trouble Code (DTC) that sets if the IPC detects a short to ground on the park detect switch input, pulling the circuit low with a VSS input over 16 km/h (10 mph), indicating that the vehicle is in motion.