B1664 Dodge Code - Rear Fog Lamp Control Circuit High
Quick Answer
The Totally Integrated Power Module (TIPM) monitors the Rear Fog Lamp Control. Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog Lamp Bulb 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
- B1664 Dodge indicates Rear Fog Lamp Control Circuit High.
- Common causes
- Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog Lamp Bulb 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 B1664 Dodge Description
What are the Possible Causes of the DTC B1664 Dodge?
- Faulty Left or Right Rear Fog Lamp Bulb
- Left or Right Rear Fog Lamp Bulb harness is open or shorted
- Left or Right Rear Fog Lamp Bulb circuit poor electrical connection
- Faulty Totally Integrated Power Module (TIPM)
How to Fix the DTC B1664 Dodge?
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 B1664 Dodge 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 B1664 Dodge Code
1. What does the OBDII code B1664 mean on a Dodge?
The B1664 code indicates a "Rear Fog Lamp Control Circuit High," meaning there is an issue with the electrical circuit responsible for the rear fog lamp.
2. What are the symptoms of the B1664 code on a Dodge?
Common symptoms include the rear fog lamp not working, the rear fog lamp staying on continuously, or an illuminated warning light on the dashboard.
3. What causes the B1664 code to appear?
The most common causes are a faulty rear fog lamp bulb, a damaged or corroded connector, broken wiring, or a malfunctioning fog lamp control switch.
4. How can I diagnose the B1664 code on my Dodge?
Start by inspecting the rear fog lamp bulb, connectors, and wiring for damage or corrosion. Use a multimeter to check for proper voltage in the circuit.
5. Can a blown fuse trigger the B1664 code?
While a blown fuse is less likely to cause this specific code, it is worth checking the fuse related to the rear fog lamp circuit as part of the diagnostic process.
6. How do I fix the B1664 code on my Dodge?
Repairs may include replacing the rear fog lamp bulb, repairing damaged wiring, cleaning corroded connectors, or replacing a faulty control switch if necessary.
7. Is it safe to drive with the B1664 code active?
Yes, it is generally safe to drive, but the rear fog lamp may not function properly, which could reduce visibility in foggy or low-visibility conditions.
8. Can a bad rear fog lamp bulb cause the B1664 code?
Yes, a faulty or burned-out bulb can cause the circuit to malfunction, triggering the code.
9. How much does it cost to fix the B1664 code on a Dodge?
The cost depends on the cause of the issue. Replacing a bulb is inexpensive, but repairing wiring or replacing the control switch may be more costly.
10. Can clearing the B1664 code fix the issue permanently?
Clearing the code will only reset the warning temporarily. The underlying issue must be addressed to prevent the code from returning.
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