Engine-Codes - Generic - P1875

P1875 Code - 4WD Low Switch Circuit Electrical

- Code Popularity: 37,066 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1875?

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 4WD Low Switch
  • 4WD Low Switch harness is open or shorted
  • 4WD Low Switch circuit poor electrical connection
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How to Fix the DTC P1875?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1875 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1875 Code Mean?

With the engine speed over 450 rpm for 5 seconds, Fuel Cutoff not active, Vehicle Speed Sensor (VSS) input over engine vacuum at 0-105 kPa, gear range is D4, shift solenoid performance counters at zero, Transmission Fluid Temperature (TFT) input from 68-266°F, then Condition 1: 4WD Low switch in 4WD low, transfer case not in 4WD low, Torque Converter Clutch (TCC) slip speed from -3000 to -50 RPM, and VCM detected the speed ratio was 0.8-1.2 (speed ratio is rpm divided by the output speed) Condition 2: 4WD Low switch not in 4WD low, transfer case in 4WD low, TCC commanded on, TCC slip speed was 100 to 3000 RPM, and the VCM detected that the speed ratio was 2.5-2.9 for 10 seconds

P1875 Code - 4WD Low Switch Circuit Electrical

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Code P1875 Information for Specific Makes

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