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B1858 RAM Code - Driver Window Position Sensor Power Supply Low

- 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 B1858 RAM?

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 Driver Window Motor
  • Driver Window Motor harness is open or shorted
  • Driver Window Motor circuit poor electrical connection
  • Faulty Driver Door Module (DDM)
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How to Fix the DTC B1858 RAM?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1858 RAM 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 B1858 RAM Description

The Driver Door Module (DDM) monitors the Driver Window Position Sensor. When the Driver Window Hall Sensor Supply circuit falls below 2.0 volts of battery voltage for over 200ms, this Diagnostic Trouble Code (DTC) will set.

OBDII Code B1858 RAM - Driver Window Position Sensor Power Supply Low - AutoCodes.com
B1858 RAM Code - Driver Window Position Sensor Power Supply Low

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Code B1858 RAM comments

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