B1607 Code - Illuminated Entry Input Circuit Failure
Quick Answer
The B1607 diagnostic trouble code refers to an illuminated entry input circuit failure. Common causes include Wiring or connection issues in the illuminated entry circuit, Faulty illuminated entry sensor or control module, Corrosion or damage to the wiring harness. 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
- B1607 indicates Illuminated Entry Input Circuit Failure.
- Common causes
- Common causes include Wiring or connection issues in the illuminated entry circuit, Faulty illuminated entry sensor or control module, Corrosion or damage to the wiring harness.
- 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.
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Code B1607 Description
The B1607 diagnostic trouble code refers to an illuminated entry input circuit failure. This code is typically found in vehicles equipped with keyless entry systems, which allow the driver to lock or unlock the vehicle remotely. The illuminated entry system is responsible for activating the interior lights when the doors are unlocked, providing visibility and convenience for the driver and passengers. When this system malfunctions, it can lead to issues with the interior lighting and potentially affect other vehicle systems as well.
Common Causes of B1607
- Wiring or connection issues in the illuminated entry circuit.
- Faulty illuminated entry sensor or control module.
- Corrosion or damage to the wiring harness.
- Electrical interference from aftermarket accessories.
- Malfunctioning door ajar switch.
Symptoms of B1607
- Interior lights not turning on when the doors are unlocked.
- Inconsistent behavior of the illuminated entry system.
- Interior lights flickering or dimming unexpectedly.
- Alarm system not activating when the doors are unlocked.
- Dashboard warning light related to the illuminated entry system.
How to Fix B1607
- Begin by performing a thorough inspection of the illuminated entry circuit, checking for any visible damage or loose connections.
- Use a multimeter to test the continuity of the wiring and identify any short circuits or open circuits.
- Test the illuminated entry sensor and control module for proper functioning, replacing any components that are found to be faulty.
- Check the door ajar switches for proper operation and replace any that are malfunctioning.
- Clear the diagnostic trouble codes from the vehicle's computer using a scan tool and test the system to ensure that the issue has been resolved.
Cost to Fix B1607
The cost of repairing a B1607 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the parts required for this repair are typically not very expensive, ranging from $50 to $200. However, the labor costs can add up, with total repair costs ranging from $150 to $500. It's important to note that these are rough estimates, and actual costs may vary based on the location, make and model of the vehicle, and the expertise of the technician. It's recommended to obtain quotes from multiple repair shops to find the best price for this repair.
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Code B1607 Information for Specific Makes
- B1607 Chrysler — Headlamp Switch Input Circuit Low
- B1607 Dodge — Headlamp Switch Input Circuit Low
- B1607 Jeep — Headlamp Switch Input Circuit Low
- B1607 RAM — Headlamp Switch Input Circuit Low
Frequently Asked Questions about B1607 Code
1. What are the common symptoms of OBDII code B1607 (Illuminated Entry Input Circuit Failure)?
- The common symptoms include the interior lights not turning on when the doors are opened or the vehicle not recognizing the key fob for keyless entry.
2. What are the possible causes of OBDII code B1607?
- The code B1607 can be caused by a faulty illuminated entry input circuit, a wiring issue, a blown fuse, or a malfunctioning control module.
3. How can I diagnose the Illuminated Entry Input Circuit Failure issue?
- To diagnose the issue, you can start by checking the fuse related to the interior lights, inspecting the wiring for any visible damage, and using a scan tool to read the specific error codes.
4. Can a DIY enthusiast repair the Illuminated Entry Input Circuit Failure?
- Depending on the cause of the issue, a DIY enthusiast may be able to repair it by replacing a blown fuse, repairing damaged wiring, or replacing a faulty control module. However, more complex issues may require professional assistance.
5. Is it safe to continue driving with OBDII code B1607 active?
- While the code B1607 may not affect the overall drivability of the vehicle, it is important to address the underlying issue as soon as possible to ensure the proper functioning of the illuminated entry system.
6. How much does it typically cost to repair OBDII code B1607?
- The cost of repairing OBDII code B1607 can vary depending on the cause of the issue and the labor rates in your area. It is recommended to get a diagnostic from a professional to get an accurate estimate.
7. Can a dead car battery trigger the Illuminated Entry Input Circuit Failure code?
- Yes, a dead or weak car battery can sometimes trigger code B1607 as it can cause temporary electrical issues in the vehicle's systems, including the illuminated entry circuit.
8. Are there any preventive measures to avoid OBDII code B1607 in the future?
- To prevent OBDII code B1607, it is recommended to regularly check the condition of the car's battery, inspect the wiring for any signs of wear or damage, and promptly address any interior light issues.
9. Will disconnecting the car battery reset the OBDII code B1607?
- Disconnecting the car battery may temporarily clear the code B1607, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the problem again.
10. Can extreme weather conditions contribute to triggering the Illuminated Entry Input Circuit Failure code?
- Yes, extreme weather conditions like extreme heat or cold can sometimes affect the electrical components of the illuminated entry system and potentially trigger code B1607.
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