B1608 Code - Illuminated Entry Input Open Circuit
Quick Answer
The Body Control Module (BCM) monitors the Illuminated Entry Input. Common causes include Faulty Illuminated Entry Input Switch, Illuminated Entry Input Switch harness is open or shorted, Illuminated Entry Input Switch 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
- B1608 indicates Illuminated Entry Input Open Circuit.
- Common causes
- Common causes include Faulty Illuminated Entry Input Switch, Illuminated Entry Input Switch harness is open or shorted, Illuminated Entry Input Switch 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 B1608 Description
What are the Possible Causes of the DTC B1608?
- Faulty Illuminated Entry Input Switch
- Illuminated Entry Input Switch harness is open or shorted
- Illuminated Entry Input Switch circuit poor electrical connection
How to Fix the DTC B1608?
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 B1608 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 B1608 code?
Need more information on how to fix the B1608 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1608 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1608 Chrysler — Headlamp Switch Input Circuit High
- B1608 Dodge — Headlamp Switch Input Circuit High
- B1608 Jeep — Headlamp Switch Input Circuit High
- B1608 Lexus — Front Satellite Sensor Bus Left Initialization Incomplete
- B1608 RAM — Headlamp Switch Input Circuit High
- B1608 Scion — Front Satellite Sensor Bus Left Initialization Incomplete
- B1608 Toyota — Front Satellite Sensor Bus Left Initialization Incomplete
Frequently Asked Questions about B1608 Code
1. What are the common symptoms of OBDII code B1608 (Illuminated Entry Input Open Circuit)?
- The common symptoms include the interior lights not turning on when the door is opened, malfunctioning keyless entry system, and the interior lights staying on continuously.
2. What can cause the OBDII code B1608 to trigger?
- The code B1608 is triggered when there is an open circuit in the input signal for the illuminated entry system, often caused by a faulty door switch, wiring issue, or a malfunctioning control module.
3. How can I diagnose the cause of the Illuminated Entry Input Open Circuit issue?
- You can diagnose the issue by checking the door switches for proper functioning, inspecting the wiring for any damage or loose connections, and using a diagnostic tool to scan for trouble codes and test the control module.
4. Is it safe to drive with the B1608 code illuminated?
- It is generally safe to drive with the B1608 code illuminated, but you may experience inconvenience due to the malfunctioning interior lights and keyless entry system. It is recommended to address the issue promptly.
5. Can I repair the B1608 code issue myself?
- Depending on your experience with automotive repairs, you may be able to address the B1608 code yourself by checking and replacing faulty door switches, repairing damaged wiring, or resetting the control module. However, professional help may be required for complex issues.
6. Will resetting the control module fix the B1608 code?
- Resetting the control module may temporarily clear the B1608 code, but if the underlying issue such as a faulty door switch or wiring problem is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.
7. How much does it cost to repair the B1608 code issue?
- The cost of repairing the B1608 code can vary depending on the specific cause of the problem, parts needed for replacement, and labor charges. It is recommended to consult a professional mechanic for an accurate cost estimate.
8. Can a low battery cause the B1608 code to trigger?
- A low battery can potentially cause electrical issues that may lead to the B1608 code being triggered. It is advisable to check the battery voltage and overall electrical system health when diagnosing the issue.
9. Will the B1608 code affect the vehicle's overall performance?
- The B1608 code is related to the illuminated entry system and is unlikely to directly impact the vehicle's overall performance or drivability. However, addressing the issue is important for convenience and safety reasons.
10. How long does it take to repair the B1608 code issue?
- The repair time for the B1608 code can vary depending on the complexity of the underlying problem. Simple fixes like replacing a faulty door switch may take less time, while diagnosing and repairing wiring issues or control module problems may require more time.
Discuss the causes and fixes for B1608 OBDII Code
Code B1608 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.
