B164F RAM Code - Passenger Mirror Signal Lamp Control Circuit Low
Quick Answer
The Passenger Door Module (PDM) monitors the Passenger Mirror Signal Lamp. Common causes include Faulty Passenger Power Mirror Assembly, Passenger Power Mirror Assembly harness is open or shorted, Passenger Power Mirror 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
- B164F RAM indicates Passenger Mirror Signal Lamp Control Circuit Low.
- Common causes
- Common causes include Faulty Passenger Power Mirror Assembly, Passenger Power Mirror Assembly harness is open or shorted, Passenger Power Mirror 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 B164F RAM Description
What are the Possible Causes of the DTC B164F RAM?
- Faulty Passenger Power Mirror Assembly
- Passenger Power Mirror Assembly harness is open or shorted
- Passenger Power Mirror Assembly circuit poor electrical connection
- Faulty Passenger Door Module (PDM)
How to Fix the DTC B164F 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 B164F 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 B164F RAM Code
1. What does OBDII code B164F mean in a RAM vehicle?
Code B164F indicates a problem with the Passenger Mirror Signal Lamp Control Circuit, specifically that the circuit voltage is lower than expected.
2. What are the common symptoms of code B164F in a RAM?
Symptoms include the passenger-side mirror signal lamp not functioning, dim or flickering light, or a warning light on the dashboard.
3. What causes the B164F code to trigger?
The most common causes are a faulty signal lamp, damaged wiring or connectors in the circuit, or an issue with the control module.
4. Can a blown fuse cause the B164F code?
Yes, a blown fuse in the circuit controlling the passenger mirror signal lamp can result in this code.
5. How do I diagnose code B164F on my RAM vehicle?
Start by inspecting the passenger mirror signal lamp, checking for damaged wires, loose connectors, or a blown fuse. Use a multimeter to test circuit voltage and continuity.
6. Is it safe to drive with a B164F code?
Yes, it is generally safe to drive, but the malfunctioning signal lamp can reduce visibility and communication with other drivers, especially when making turns.
7. How do I fix the B164F code?
Repairs may involve replacing the faulty signal lamp, repairing damaged wiring or connectors, or addressing issues with the control module.
8. Can a software update fix the B164F code?
In rare cases, a software glitch in the control module may cause the issue, and a software update from the dealership could resolve it.
9. What tools do I need to troubleshoot code B164F?
You’ll need an OBDII scanner, a multimeter, and basic tools for accessing the wiring and connectors around the passenger mirror.
10. What should I check if replacing the signal lamp doesn’t fix code B164F?
If replacing the lamp doesn’t resolve the issue, inspect the wiring harness, connectors, and control module for faults, and test the circuit for proper voltage.
Discuss the causes and fixes for B164F RAM OBDII Code
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