B1E9B Chrysler Code - Rear Left Heater Control Circuit
Quick Answer
The Heated Seat Module (HSM) monitors the Rear Left Heater Control Circuit. Common causes include Faulty Rear Left Seat Cushing Heater Element, Rear Left Seat Cushing Heater Element harness is open or shorted, Rear Left Seat Cushing Heater Element 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
- B1E9B Chrysler indicates Rear Left Heater Control Circuit.
- Common causes
- Common causes include Faulty Rear Left Seat Cushing Heater Element, Rear Left Seat Cushing Heater Element harness is open or shorted, Rear Left Seat Cushing Heater Element 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 B1E9B Chrysler Description
What are the Possible Causes of the DTC B1E9B Chrysler?
- Faulty Rear Left Seat Cushing Heater Element
- Rear Left Seat Cushing Heater Element harness is open or shorted
- Rear Left Seat Cushing Heater Element circuit poor electrical connection
- Faulty Heated Seat Module (HSM)
How to Fix the DTC B1E9B 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.
Code Tech Notes
B1E9B-11 REAR LEFT HEATER CONTROL CIRCUIT SHORT TO GROUND
B1E9B-12 REAR LEFT HEATER CONTROL CIRCUIT SHORT TO BATTERY
B1E9B-13 REAR LEFT HEATER CONTROL CIRCUIT OPEN
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1E9B 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 B1E9B Chrysler Code
1. What does the OBDII code B1E9B mean on a Chrysler?
The code B1E9B indicates a problem with the rear left heater control circuit, which affects the ability to regulate temperature on the rear left side of the vehicle.
2. What are the common symptoms of the B1E9B code?
Symptoms include inconsistent or no heating on the rear left side, unusual noises from the HVAC system, or the rear climate control not responding to adjustments.
3. What causes the B1E9B code to appear?
Common causes include a faulty rear left blend door actuator, damaged wiring or connectors in the control circuit, or a malfunctioning HVAC control module.
4. Can I drive with the B1E9B code active?
Yes, you can drive with this code active, but you may experience discomfort due to improper heating in the rear left zone of the vehicle.
5. How do I troubleshoot the B1E9B code?
Start by inspecting the wiring and connectors for damage, then test the rear left blend door actuator for proper operation. If no issues are found, the HVAC control module may need evaluation.
6. How do I fix the B1E9B code on my Chrysler?
Repairs may include replacing the rear left blend door actuator, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the HVAC control module.
7. How much does it cost to fix the B1E9B code?
Repair costs vary but typically range from $100 to $400, depending on whether the issue is with the blend door actuator, wiring, or control module.
8. Can a faulty rear left blend door actuator cause the B1E9B code?
Yes, a defective actuator is one of the most common causes of this code and should be inspected and replaced if necessary.
9. Will clearing the B1E9B code solve the problem?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
10. Can a software issue in the HVAC control module trigger the B1E9B code?
Yes, a software glitch or corruption in the HVAC control module may cause this code and could require reprogramming or replacement to resolve.
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