Engine-Codes - Chrysler - B1681 Chrysler

B1681 Chrysler Code - Rear Headlamp Leveling Sensor Circuit Performance

- Code Popularity: 2,577 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1681 Chrysler?

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 Rear Headlamp Leveling Sensor
  • Rear Headlamp Leveling Sensor harness is open or shorted
  • Rear Headlamp Leveling Sensor circuit poor electrical connection
  • Faulty Automatic Headlamp Leveling Module (AHLM)
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How to Fix the DTC B1681 Chrysler?

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 B1681 Chrysler 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 B1681 Chrysler Code Mean?

The Front and Rear Headlamp Level Sensors monitor changes in the relative distance between the vehicle body and the front or rear suspension members. In vehicles with High Intensity Discharge (HID) Headlamps but without the air suspension system, the sensor circuitry is energized by the Automatic Headlamp Leveling Module (AHLM) and both sensors provide hard wired inputs back to the AHLM. The AHLM uses these sensor inputs as logic for calculating when and how much to adjust the headlamp beams as part of the Automatic Headlamp Leveling feature. The Automatic Headlamp Leveling Module (AHLM) detects the Headlamp Leveling Sensor Rear Signal circuit is out of range.

B1681 Chrysler Code - Rear Headlamp Leveling Sensor Circuit Performance

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