B1D04 Code - Mirror Adjust Switch Input Circuit Performance
Quick Answer
When the Driver Door Module (DDM) receives a mirror movement command from the switch but then senses an open or shorted circuit on one of the switch sense circuits for over 100 ms., this code will set. Common causes include Faulty Mirror Adjust Switch, Mirror Adjust Switch harness is open or shorted, Mirror Adjust Switch 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
- B1D04 indicates Mirror Adjust Switch Input Circuit Performance.
- Common causes
- Common causes include Faulty Mirror Adjust Switch, Mirror Adjust Switch harness is open or shorted, Mirror Adjust Switch 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 B1D04 Description
What are the Possible Causes of the DTC B1D04?
- Faulty Mirror Adjust Switch
- Mirror Adjust Switch harness is open or shorted
- Mirror Adjust Switch circuit poor electrical connection
- Faulty Driver Door Module (DDM)
How to Fix the DTC B1D04?
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 B1D04 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.
Need more information about the B1D04 code?
Need more information on how to fix the B1D04 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1D04 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1D04 Chrysler — Mirror Adjust Switch Input Circuit Performance
- B1D04 Dodge — Mirror Adjust Switch Input Circuit Performance
- B1D04 Jeep — Mirror Adjust Switch Input Circuit Performance
- B1D04 RAM — Mirror Adjust Switch Input Circuit Performance
Frequently Asked Questions about B1D04 Code
1. What are the common symptoms of OBDII code B1D04 (Mirror Adjust Switch Input Circuit Performance)?
- Common symptoms of this code may include malfunctioning power mirrors, inability to adjust the mirror position, or the mirror adjustment controls not responding.
2. What are the possible causes of OBDII code B1D04?
- Possible causes of code B1D04 include a faulty mirror adjust switch, wiring issues in the mirror adjust circuit, or a malfunction in the mirror control module.
3. How can I diagnose the cause of OBDII code B1D04?
- You can diagnose the cause of this code by checking the mirror adjust switch for proper functioning, inspecting the wiring for any signs of damage, and testing the mirror control module for faults.
4. Can I still drive my vehicle with OBDII code B1D04?
- While the vehicle may still be operable with this code, it is recommended to address the issue promptly to ensure safe and convenient operation of the power mirrors.
5. How can I repair OBDII code B1D04?
- Repairing code B1D04 may involve replacing the faulty mirror adjust switch, repairing or replacing damaged wiring, or replacing the mirror control module if necessary.
6. Are there any DIY tips for fixing OBDII code B1D04?
- DIY tips for addressing this code may include checking and cleaning the mirror adjust switch contacts, ensuring proper wiring connections, and using a multimeter to test for continuity in the circuit.
7. Can a mechanic easily fix OBDII code B1D04?
- A qualified mechanic should be able to diagnose and repair OBDII code B1D04 efficiently by utilizing diagnostic tools, technical knowledge, and experience in handling electrical issues.
8. What happens if OBDII code B1D04 is ignored?
- Ignoring code B1D04 may result in continued malfunction of the power mirrors, inconvenience in adjusting mirror positions, and potential safety hazards if visibility is compromised.
9. Is it necessary to clear OBDII code B1D04 after repairs are made?
- Yes, it is advisable to clear the code after repairs are completed to reset the system and ensure that the issue has been successfully resolved.
10. Can extreme weather conditions cause OBDII code B1D04 to trigger?
- Extreme weather conditions such as excessive heat or moisture can potentially affect the mirror adjust circuit, leading to the triggering of OBDII code B1D04.
Discuss the causes and fixes for B1D04 OBDII Code
Code B1D04 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
