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AutoCodes - Generic - B2237

B2237 Code - Rear Left Sensor Malfunction

- Code Popularity: 3,845 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By - Updated Oct 09, 2019
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|Code B2237 Possible Causes

  • Faulty Rear Left Sensor
  • Rear Left Sensor harness is open or shorted
  • Rear Left Sensor circuit poor electrical connection
  • Faulty Clearance Warning ECU

|How do I Fix the Code B2237?

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's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2237?

Labor: 1.0

The cost of diagnosing the B2237 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B2237 Possible Symptoms?

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

|Code B2237 Description

The No. 3 Ultrasonic Sensor (Rear Left Sensor) is installed on the front bumper. The Clearance Warning ECU detects obstacles based on signals received from the Rear Left Sensor. If the Rear Left Sensor circuit has an open, short or other malfunction, it will not function normally. The Diagnostic Trouble Code (DTC) sets if a malfunction of No. 3 Ultrasonic Sensor (Rear Left Sensor).

OBDII Code B2237 - Rear Left Sensor Malfunction -
B2237 Code - Rear Left Sensor Malfunction

|Need More Information on the B2237 Code?

Need more information on how to fix the B2237 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2237 Code?

Get the B2237 code diagnosed by a professional: Find a repair shop in your area

|Code B2237 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B2237 code? Have you replaced any parts?
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