B1D39 Dodge Code - Passenger Mirror Heater Control Circuit Open
Quick Answer
This code is set 10 seconds after the Passenger Memory Mirror Module detects an open in the Passenger Mirror Heater Control Circuit. Common causes include Faulty Passenger Mirror Heater, Passenger Mirror Heater harness is open or shorted, Passenger Mirror Heater 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
- B1D39 Dodge indicates Passenger Mirror Heater Control Circuit Open.
- Common causes
- Common causes include Faulty Passenger Mirror Heater, Passenger Mirror Heater harness is open or shorted, Passenger Mirror Heater 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 B1D39 Dodge Description
What are the Possible Causes of the DTC B1D39 Dodge?
- Faulty Passenger Mirror Heater
- Passenger Mirror Heater harness is open or shorted
- Passenger Mirror Heater circuit poor electrical connection
- Faulty Passenger Memory Mirror Module
How to Fix the DTC B1D39 Dodge?
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 B1D39 Dodge 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 B1D39 Dodge Code
1. What does the OBDII code B1D39 mean on a Dodge?
The B1D39 code indicates an open circuit in the passenger mirror heater control circuit, which affects the functionality of the heated mirror.
2. What are the symptoms of the B1D39 code?
Common symptoms include the passenger-side heated mirror not warming up and potentially an illuminated check engine or warning light.
3. What causes the B1D39 code to appear?
The code can be triggered by a damaged or disconnected wiring harness, a failed mirror heating element, or a faulty mirror control module.
4. How do I diagnose the B1D39 code?
Start by visually inspecting the wiring and connectors to the passenger mirror heater for damage or disconnection. Use a multimeter to check for continuity in the circuit.
5. Can I drive with the B1D39 code active?
Yes, you can drive with this code, but the passenger-side heated mirror will not function, which may affect visibility during cold or frosty conditions.
6. How do you fix the B1D39 code on a Dodge?
Repairs may include reconnecting or repairing damaged wiring, replacing the heated mirror assembly, or replacing the mirror control module if it’s faulty.
7. How much does it cost to repair the B1D39 code?
Costs vary depending on the exact repair but typically range from $100 to $300, including parts and labor.
8. Can a blown fuse cause the B1D39 code?
Yes, a blown fuse in the mirror heater circuit can cause the code. Check and replace the fuse if necessary.
9. Is the B1D39 code specific to Dodge vehicles?
While the code itself is used in various OBDII systems, the specific designation for the passenger mirror heater circuit is most commonly associated with Dodge vehicles.
10. Does clearing the B1D39 code fix the issue?
Clearing the code may temporarily reset the system, but the underlying issue must be repaired to prevent the code from returning.
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