B1808 RAM Code - Passenger Door Lock/Unlock Switch Circuit Stuck Lock
Quick Answer
The B1808 diagnostic trouble code (DTC) indicates that there is a problem with the passenger door lock/unlock switch circuit being stuck in the lock position. Common causes include Faulty passenger door lock/unlock switch, Wiring issues such as a short circuit or open circuit, Malfunctioning door lock actuator. 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
- B1808 RAM indicates Passenger Door Lock/Unlock Switch Circuit Stuck Lock.
- Common causes
- Common causes include Faulty passenger door lock/unlock switch, Wiring issues such as a short circuit or open circuit, Malfunctioning door lock actuator.
- 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.
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Code B1808 RAM Description
The B1808 diagnostic trouble code (DTC) indicates that there is a problem with the passenger door lock/unlock switch circuit being stuck in the lock position. This issue can affect the vehicle's performance by preventing the passenger door from being unlocked or locked properly. The door may remain locked even when attempting to unlock it, or it may not lock at all. This can pose a safety risk as it may hinder passengers from entering or exiting the vehicle in case of an emergency.
Common Causes of B1808 RAM
- Faulty passenger door lock/unlock switch.
- Wiring issues such as a short circuit or open circuit.
- Malfunctioning door lock actuator.
- Corrosion or damage to the electrical connectors.
- Issues with the body control module (BCM) responsible for controlling the door lock system.
Symptoms of B1808 RAM
- Inability to lock or unlock the passenger door using the switch.
- The door may remain locked even when attempting to unlock it.
- Audible clicking noise when trying to lock or unlock the door.
- Interior lights may not turn on/off when the door is opened/closed.
- Warning light on the dashboard indicating a door lock/unlock system malfunction.
How to Fix B1808 RAM
- Begin by diagnosing the exact cause of the issue using a scan tool to retrieve the specific DTC.
- Inspect the passenger door lock/unlock switch for any visible damage or signs of wear. Replace the switch if necessary.
- Check the wiring harness for any breaks, shorts, or loose connections. Repair or replace damaged wiring as needed.
- Test the door lock actuator to ensure it is functioning correctly. Replace the actuator if it is faulty.
- Clear the DTC from the vehicle's memory using the scan tool and test the door lock system to ensure proper operation.
Cost to Fix B1808 RAM
The cost of repairing a B1808 DTC can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain quotes from multiple shops to ensure a competitive price. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more affordable options.
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Frequently Asked Questions about B1808 RAM Code
1. What does the OBDII code B1808 mean for RAM vehicles?
The B1808 code indicates that the passenger door lock/unlock switch circuit is stuck in the "lock" position, causing improper door lock operation.
2. What are common symptoms of the B1808 code?
Symptoms include the passenger door lock not responding to commands, the lock being stuck in the locked position, or issues with remote keyless entry.
3. What causes the B1808 code to appear?
Common causes include a faulty passenger door lock/unlock switch, damaged wiring or connectors in the circuit, or a malfunctioning door lock actuator.
4. How can I diagnose the B1808 code?
Start by inspecting the passenger door lock/unlock switch and its wiring for visible damage. Use a multimeter to test for continuity and ensure proper voltage is reaching the circuit.
5. Can a faulty door lock actuator trigger the B1808 code?
Yes, a malfunctioning door lock actuator may cause the circuit to stick in the lock position, triggering the B1808 code.
6. Is the B1808 code serious?
While it doesn’t affect drivability, it can compromise the convenience and security of the vehicle, so it’s important to address the issue promptly.
7. How do I fix the B1808 code on my RAM?
Repairs may involve replacing the passenger door lock/unlock switch, repairing damaged wiring, or replacing the door lock actuator if it's faulty.
8. Can a software issue cause the B1808 code?
It's uncommon, but a glitch in the Body Control Module (BCM) could potentially cause the issue. A system reset or reprogramming might be necessary in rare cases.
9. How much does it cost to repair the B1808 code?
Repair costs vary but typically range from $50 to $300 depending on whether the switch, actuator, or wiring needs replacement.
10. Can I clear the B1808 code without fixing the issue?
Clearing the code without addressing the root cause will only result in the code returning, as the underlying problem remains unresolved.
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