B1D04 Chrysler 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 Chrysler 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 Chrysler Description
What are the Possible Causes of the DTC B1D04 Chrysler?
- 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 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1D04 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 B1D04 Chrysler Code
1. What does the OBDII code B1D04 mean on a Chrysler?
The B1D04 code indicates an issue with the Mirror Adjust Switch Input Circuit, typically related to a performance problem or irregular signal from the switch.
2. What are the common symptoms of the B1D04 code?
Symptoms include unresponsive or erratic behavior of the mirror adjustment controls and the possible illumination of a warning light on the dashboard.
3. What causes the B1D04 code to appear?
The code is often caused by a faulty mirror adjust switch, damaged wiring, loose connections, or a malfunctioning control module.
4. How can I diagnose the B1D04 code?
Start by inspecting the mirror adjust switch and its wiring for damage or loose connections. Use a multimeter to check for proper voltage and continuity in the circuit.
5. Can a blown fuse trigger the B1D04 code?
Yes, a blown fuse in the circuit powering the mirror adjust switch can cause the code to appear.
6. How do I fix the B1D04 code on my Chrysler?
Repair or replace any damaged wiring, connectors, or the mirror adjust switch itself. If the problem persists, consider testing or replacing the vehicle’s control module.
7. Can I still drive my vehicle with the B1D04 code?
Yes, the vehicle can still be driven, but you may experience inconvenience with mirror adjustments, which can impact visibility and safety.
8. How much does it cost to fix the B1D04 code?
The repair cost depends on the issue. Replacing a mirror adjust switch may cost $50-$150, while wiring repairs or module replacements could be more expensive.
9. Can the B1D04 code clear itself?
The code may clear itself if the underlying issue, such as a loose connection, resolves on its own. However, manual clearing with an OBDII scanner is often needed after repairs.
10. Is the B1D04 code related to other mirror issues?
Yes, it may be linked to other mirror control problems, such as power mirror movement failures or memory function errors, depending on the vehicle’s features.
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