B1810 RAM Code - Driver Door Ajar Input Circuit Low
Quick Answer
The Powertrain Control Module (PCM) receives a message over the CAN BUS from the Body Control Module (BCM) that there is a fault with the Left Front Door Switch Assembly. Common causes include Faulty Left Front Door Latch Assembly, Left Front Door Latch Assembly harness is open or shorted, Left Front Door Latch Assembly 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
- B1810 RAM indicates Driver Door Ajar Input Circuit Low.
- Common causes
- Common causes include Faulty Left Front Door Latch Assembly, Left Front Door Latch Assembly harness is open or shorted, Left Front Door Latch Assembly 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 B1810 RAM Description
What are the Possible Causes of the DTC B1810 RAM?
- Faulty Left Front Door Latch Assembly
- Left Front Door Latch Assembly harness is open or shorted
- Left Front Door Latch Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1810 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 B1810 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 B1810 RAM Code
1. What does the OBDII code B1810 mean on a RAM vehicle?
The code B1810 indicates a "Driver Door Ajar Input Circuit Low," meaning the system detects a problem with the circuit that monitors whether the driver’s door is open or closed.
2. What are the common symptoms of the B1810 code?
Symptoms include the door ajar warning light staying on, interior lights not turning off, or the vehicle's alarm system malfunctioning.
3. What causes the B1810 code to appear?
Common causes include a faulty door ajar sensor, damaged wiring, corroded electrical connectors, or a malfunctioning body control module (BCM).
4. How can I diagnose the B1810 code?
Start by inspecting the door ajar sensor, checking for damaged or disconnected wiring, and testing the circuit with a multimeter to verify voltage readings.
5. Can I drive my RAM vehicle with the B1810 code?
Yes, you can drive the vehicle, but the door ajar system may not function correctly, potentially causing inconvenience or security issues.
6. How do I fix the B1810 code on my RAM?
Repairs may involve replacing the door ajar sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the BCM.
7. How much does it cost to fix the B1810 code?
Repair costs can range from $50 to $300, depending on whether the issue is a simple sensor replacement or involves more complex wiring or BCM repairs.
8. Can the B1810 code trigger other problems in my RAM vehicle?
Yes, it can cause issues like battery drain from interior lights staying on or problems with the alarm system.
9. How do I reset the B1810 code after repairing the issue?
Use an OBDII scanner to clear the code after confirming the repair was successful.
10. What tools do I need to troubleshoot the B1810 code?
You’ll need a multimeter to test the circuit, an OBDII scanner to read and clear the code, and basic tools for inspecting and repairing wiring or sensors.
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