B1694 Code - Autolamp On Circuit Open
Quick Answer
The Body Control Module (BCM) monitors the Autolamp On Circuit. Common causes include Faulty Autolamp On Circuit, Faulty Body Control Module (BCM). 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
- B1694 indicates Autolamp On Circuit Open.
- Common causes
- Common causes include Faulty Autolamp On Circuit, Faulty Body Control Module (BCM).
- 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 B1694 Description
What are the Possible Causes of the DTC B1694?
- Faulty Autolamp On Circuit
- Faulty Body Control Module (BCM)
How to Fix the DTC B1694?
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 B1694 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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Information for Specific Makes
- B1694 Chrysler — Accessory Dimming Control Circuit High
- B1694 Dodge — Accessory Dimming Control Circuit High
- B1694 Ford — Autolamp On Circuit Open
- B1694 Jeep — Accessory Dimming Control Circuit High
- B1694 Lexus — Side Satellite Sensor 2 Bus RH Initialization Incomplete
- B1694 Lincoln — Autolamp On Circuit Open
- B1694 Mercury — Autolamp On Circuit Open
- B1694 RAM — Accessory Dimming Control Circuit High
- B1694 Scion — Side Satellite Sensor 2 Bus RH Initialization Incomplete
- B1694 Toyota — Side Satellite Sensor 2 Bus RH Initialization Incomplete
Frequently Asked Questions about B1694 Code
1. What does the OBDII code B1694 mean?
Code B1694 indicates an open circuit in the autolamp on circuit, which is part of the system that controls the automatic headlights.
2. What are the common symptoms of code B1694?
Symptoms include automatic headlights not turning on, headlights staying on longer than expected, or a warning light on the dashboard.
3. What causes the B1694 code to appear?
Common causes include damaged wiring or connectors, a faulty autolamp sensor, or a malfunctioning headlight switch.
4. How can I diagnose code B1694?
Start by inspecting the wiring and connectors in the autolamp circuit for damage or corrosion. Then test the autolamp sensor and headlight switch for proper functionality.
5. Can I still drive my car with code B1694 active?
Yes, you can drive the car, but the automatic headlight feature may not work, which could reduce visibility or safety in low-light conditions.
6. How do I fix the B1694 code?
Repairs may involve replacing damaged wiring, cleaning or reconnecting corroded connectors, or replacing a faulty autolamp sensor or headlight switch.
7. How much does it cost to fix code B1694?
The repair cost varies depending on the issue, ranging from $50 for minor wiring repairs to $200 or more for sensor or switch replacements.
8. Can a blown fuse cause code B1694?
Yes, a blown fuse in the headlight or autolamp circuit can cause the code, so fuses should be checked during diagnostics.
9. Is the B1694 code specific to certain car brands?
While it can appear on various makes and models, it is more common in vehicles with advanced automatic headlight systems.
10. Can I reset code B1694 without fixing the issue?
Clearing the code without addressing the root cause may temporarily remove the warning, but the problem will likely return.
Discuss the causes and fixes for B1694 OBDII Code
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