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B2591 Mercury Code - No PSD Detent Switch Detected On Unlatch

- Code Popularity: 408 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B2591 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Power Sliding Door Detent Switch
  • Power Sliding Door Detent Switch harness is open or shorted
  • Power Sliding Door Detent Switch circuit poor electrical connection
  • Faulty Power Sliding Door (PSD) Module
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC B2591 Mercury?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for B2591 Mercury Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2591 Mercury code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B2591 Mercury Description

During an open operation, the Power Sliding Door (PSD) Module grounds the unlatch actuator to unlatch the sliding door. The circuit is shared by the unlatch actuator and the detent switch as a ground return to the PSD module. If the PSD module detects a detent signal change on the circuit, the PSD module powers the clutch and motor to open the sliding door. If the PSD module does not detect the detent switch to ground during self test, DTC B2591 sets.

OBDII Code B2591 Mercury - No PSD Detent Switch Detected On Unlatch - AutoCodes.com
B2591 Mercury Code - No PSD Detent Switch Detected On Unlatch

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Code B2591 Mercury comments

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