B1674 RAM Code - Power Liftgate Close Direction Ratchet Secondary Switch Performance
Quick Answer
The Secondary Ratchet Switch must remain closed when the liftgate is fully open or between full open and closed positions. Common causes include Binding Liftgate, Faulty Secondary Position Sensor, Secondary Position Sensor harness is open or shorted. 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
- B1674 RAM indicates Power Liftgate Close Direction Ratchet Secondary Switch Performance.
- Common causes
- Common causes include Binding Liftgate, Faulty Secondary Position Sensor, Secondary Position Sensor harness is open or shorted.
- 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 B1674 RAM Description
What are the Possible Causes of the DTC B1674 RAM?
- Binding Liftgate
- Faulty Secondary Position Sensor
- Secondary Position Sensor harness is open or shorted
- Secondary Position Sensor circuit poor electrical connection
- Faulty Power Liftgate Latch
- Faulty Power Liftgate Module
How to Fix the DTC B1674 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 B1674 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.
Need more information about the B1674 RAM code?
Need more information on how to fix the B1674 RAM code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1674 RAM code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1674 RAM Code
1. What does OBDII code B1674 on a RAM vehicle mean?
Code B1674 indicates an issue with the Power Liftgate Close Direction Ratchet Secondary Switch Performance, which affects the operation of the power liftgate system.
2. What are the common symptoms of code B1674?
Symptoms include the power liftgate failing to close properly, intermittent operation, or the liftgate not responding to close commands.
3. What causes the B1674 code to appear?
The code is typically caused by a faulty ratchet secondary switch, damaged wiring or connectors, or misalignment in the power liftgate mechanism.
4. Can I still use my liftgate if code B1674 is active?
You may be able to operate the liftgate manually, but the power-assisted closing function may not work correctly or at all.
5. How do I diagnose the B1674 code?
Start by inspecting the ratchet secondary switch for damage or wear, check wiring and connectors for continuity or corrosion, and ensure the liftgate mechanism is aligned.
6. How do I fix the B1674 code on my RAM vehicle?
Repairs may involve replacing the ratchet secondary switch, repairing or replacing damaged wiring, or recalibrating the liftgate system.
7. Is the B1674 code a serious issue?
While it does not typically affect vehicle drivability, it can be inconvenient and may worsen if not addressed, potentially causing further damage to the liftgate system.
8. Can I clear the B1674 code without repairing the issue?
Clearing the code without addressing the root cause is not recommended, as the issue will likely return and could lead to further complications.
9. How much does it cost to repair a B1674 code?
Repair costs vary depending on whether the ratchet switch, wiring, or other components need replacement, but they typically range from $150 to $500.
10. Can a malfunctioning power liftgate damage other components?
Yes, if left unchecked, a malfunctioning liftgate could strain the motor, hinges, or other mechanical parts, leading to additional repairs.
Discuss the causes and fixes for B1674 RAM OBDII Code
Code B1674 RAM 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.
