B1D04 RAM 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 RAM 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 RAM Description
What are the Possible Causes of the DTC B1D04 RAM?
- 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 RAM?
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 RAM 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 B1D04 RAM Code
1. What does OBDII code B1D04 mean?
Code B1D04 indicates an issue with the performance of the mirror adjust switch input circuit in a RAM vehicle, which could affect the proper operation of the mirror adjustment controls.
2. What are the common symptoms of code B1D04?
Typical symptoms include non-responsive or malfunctioning side mirror adjustments and possible illumination of a warning light on the dashboard.
3. What causes the B1D04 code to appear?
The code may be triggered by a faulty mirror adjustment switch, damaged wiring or connectors in the circuit, or issues with the body control module (BCM).
4. Can a dead fuse cause the B1D04 code?
Yes, a blown fuse in the circuit related to the mirror adjust switch could potentially cause this code.
5. How do I diagnose the B1D04 code?
Start by visually inspecting the mirror adjust switch, wiring, and connectors for damage. Use a multimeter to check for continuity and proper voltage in the circuit.
6. Is it safe to drive with the B1D04 code?
Yes, it is generally safe to drive, but you may not be able to adjust your mirrors properly, which could impact visibility and safety.
7. How can I fix the B1D04 code?
Repairs may include replacing the mirror adjust switch, repairing damaged wiring or connectors, or addressing issues with the body control module.
8. How much does it cost to fix the B1D04 code?
Repair costs can vary but may range from $50 to $200 for a new switch or wiring repairs, plus diagnostic and labor fees if done by a professional.
9. Can I reset the B1D04 code without repairs?
Clearing the code with an OBDII scanner may temporarily remove it, but if the issue isn't fixed, the code will likely return.
10. What tools are needed to troubleshoot the B1D04 code?
You’ll need a diagnostic scan tool, a multimeter, and basic hand tools for inspecting and testing the circuit components.
Discuss the causes and fixes for B1D04 RAM OBDII Code
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