AutoCodes – RAM – B1600 RAM

B1600 RAM Code - Left Solar Sensor

Quick Answer

The Heating Ventilation and Air Conditioning (HVAC) A/C Heater Module uses a variety of sensors to adjust HVAC operation to obtain optimal performance. Common causes include Faulty Left Solar Sensor, Left Solar Sensor harness is open or shorted, Left Solar Sensor 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: B1600 RAM indicates Left Solar Sensor.
Common causes: Common causes include Faulty Left Solar Sensor, Left Solar Sensor harness is open or shorted, Left Solar Sensor 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.

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Code Popularity 1,656

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 26, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1600 RAM Description

The Heating Ventilation and Air Conditioning (HVAC) A/C Heater Module uses a variety of sensors to adjust HVAC operation to obtain optimal performance. These sensors are continuously monitored by the A/C Heater Module to assure that they are in range. If the Left Solar Sensor falls out of predetermined ranges a Diagnostic Trouble Code (DTC) will set.

OBDII Code B1600 RAM - Left Solar Sensor - AutoCodes.com — B1600 RAM Code - Left Solar Sensor

What does this mean?

What are the Possible Causes of the DTC B1600 RAM?

Faulty Left Solar Sensor
Left Solar Sensor harness is open or shorted
Left Solar Sensor circuit poor electrical connection
Faulty Heating Ventilation and Air Conditioning (HVAC) A/C Heater Module

How to Fix the DTC B1600 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 does this mean?

Code Tech Notes

B1600-11 LEFT SOLAR SENSOR CIRCUIT SHORT TO GROUND
B1600-12 LEFT SOLAR SENSOR CIRCUIT SHORT TO BATTERY
B1600-92 LEFT SOLAR SENSOR PERFORMANCE OR INCORRECT OPERATION

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1600 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.

Need more information about the B1600 RAM code?

Need more information on how to fix the B1600 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1600 RAM Code

1. What are the common symptoms of OBDII code B1600 RAM titled Left Solar Sensor?

The common symptoms include malfunctioning automatic headlight control, inaccurate ambient light readings, or dashboard warning lights related to the solar sensor.

2. What can cause the OBDII code B1600 RAM titled Left Solar Sensor?

The code can be triggered by a damaged or faulty left solar sensor, wiring issues, a failed control module, or a software malfunction.

3. How can I diagnose the OBDII code B1600 RAM related to the Left Solar Sensor?

Diagnosing the issue involves checking the left solar sensor for physical damage, inspecting the wiring for any faults, and using a diagnostic tool to scan for specific error codes.

4. Can I repair the OBDII code B1600 RAM related to the Left Solar Sensor myself?

If you have experience working with automotive electrical systems, you may be able to repair the issue yourself by replacing the left solar sensor, repairing any damaged wiring, or resetting the control module.

5. Is it safe to continue driving with the OBDII code B1600 RAM related to the Left Solar Sensor?

It is generally safe to continue driving, but you may experience issues with the automatic headlight control or ambient light readings until the problem is resolved.

6. How much does it cost to repair the OBDII code B1600 RAM related to the Left Solar Sensor?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the left solar sensor, repairing wiring, or reprogramming the control module. Costs can range from $50 to $200 or more.

7. Can extreme weather conditions affect the OBDII code B1600 RAM related to the Left Solar Sensor?

Extreme weather conditions such as heavy rain, snow, or intense sunlight can potentially affect the performance of the left solar sensor and trigger the error code.

8. Will resetting the vehicle's computer clear the OBDII code B1600 RAM related to the Left Solar Sensor?

Resetting the computer may temporarily clear the code, but if the underlying issue with the left solar sensor or its components is not addressed, the code is likely to reappear.

9. How long does it take to repair the OBDII code B1600 RAM related to the Left Solar Sensor?

The repair time can vary based on the exact cause of the issue and the availability of parts. In most cases, a skilled technician can complete the repair within a few hours.

10. Can a damaged left solar sensor affect other vehicle systems?

While the primary impact of a damaged left solar sensor is on the automatic headlight control system, it can also affect other systems that rely on ambient light readings for operation.