B1858 Chrysler Code - Driver Window Position Sensor Power Supply Low
Quick Answer
The Driver Door Module (DDM) monitors the Driver Window Position Sensor. Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1858 Chrysler indicates Driver Window Position Sensor Power Supply Low.
- Common causes
- Common causes include Faulty Driver Window Motor, Driver Window Motor harness is open or shorted, Driver Window Motor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1858 Chrysler Description
What are the Possible Causes of the DTC B1858 Chrysler?
- Faulty Driver Window Motor
- Driver Window Motor harness is open or shorted
- Driver Window Motor circuit poor electrical connection
- Faulty Driver Door Module (DDM)
How to Fix the DTC B1858 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1858 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1858 Chrysler Code
1. What does the OBDII code B1858 mean on a Chrysler?
The B1858 code indicates that the driver window position sensor is receiving a low power supply, which may interfere with proper window operation.
2. What are the common symptoms of the B1858 code?
Symptoms include the driver window not functioning properly, being stuck in one position, or operating intermittently.
3. What causes the B1858 code to appear?
Common causes include a faulty window position sensor, damaged wiring or connectors, or an issue with the vehicle's power supply to the sensor.
4. Can I still drive my vehicle with the B1858 code active?
Yes, you can still drive the vehicle, but the driver window may not operate correctly, which could be inconvenient or a safety concern.
5. How do I diagnose the B1858 code?
Start by inspecting the wiring and connectors to the driver window position sensor for damage or corrosion. Use a multimeter to check the sensor's power supply voltage.
6. What repairs typically fix the B1858 code?
Repairs may include replacing the window position sensor, repairing damaged wiring, or addressing issues with the power supply circuit.
7. How much does it cost to fix the B1858 code?
The cost depends on the repair needed. Replacing a window position sensor typically costs $100–$300, including parts and labor.
8. Can a dead battery cause the B1858 code?
Yes, a weak or dead battery can lead to low power supply issues, potentially triggering this code.
9. Is it safe to ignore the B1858 code?
Ignoring this code may lead to further electrical issues or inconvenience with window operation, so it’s best to address it promptly.
10. Can I reset the B1858 code without making repairs?
You can clear the code with an OBDII scanner, but if the underlying issue isn’t resolved, the code will likely return.
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