AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - B1E9A

B1E9A Code - Front Right Heater Control Circuit

- Code Popularity: 4,401 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC B1E9A?

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 Front Right Seat Back Heater Element
  • Front Right Seat Back Heater Element harness is open or shorted
  • Front Right Seat Back Heater Element circuit poor electrical connection
  • Faulty Comfort Seat Wheel Module (CSWM)
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC B1E9A?

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.

Code Tech Notes

B1E9A-1E FRONT RIGHT HEATER CONTROL CIRCUIT RESISTANCE OUT OF RANGE
B1E9A-11 FRONT RIGHT HEATER CONTROL CIRCUIT SHORT TO GROUND
B1E9A-12 FRONT RIGHT HEATER CONTROL CIRCUIT SHORT TO BATTERY
B1E9A-13 FRONT RIGHT HEATER CONTROL CIRCUIT OPEN

Search for B1E9A Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1E9A 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 B1E9A Description

The Comfort Seat Wheel Module (CSWM) monitors the Front Right Heater Control Circuit. The CSWM sets the OBDII code when the CSWM detects on the Right Front Seat Heater Control circuit an impedance equal to or above 7.0 Ohms for more than two seconds, a voltage below 1.0 volt or a current above 10.0 amps for more than two seconds with the output turned on, a voltage above 5.0 volts for more than two seconds with the output turned off or a current below 0.5 of an amp for more than two seconds with the output turned on.

OBDII Code B1E9A - Front Right Heater Control Circuit - AutoCodes.com
B1E9A Code - Front Right Heater Control Circuit

Need More Information on the Code?

Need more information on how to fix the B1E9A code? Get Access to Factory Service Manuals

Information for Specific Makes

Need Help with the Code?

Get the B1E9A code diagnosed by a professional: Find a repair shop in your area

Code B1E9A comments

Help us improve AutoCodes.com. 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 B1E9A code? Have you replaced any parts?
Any information is appreciated. Thanks