U1549 Chevrolet Code - Body Control Module Lost Communication With Rear Wiper Motor On LIN Bus
Quick Answer
The Local Interconnect Network (LIN) Bus consists of a single wire with a transmission rate of 10.417 Kbit/s. Common causes include Faulty Rear Wiper Motor, Rear Wiper Motor harness is open or shorted, Rear Wiper Motor 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
- U1549 Chevrolet indicates Body Control Module Lost Communication With Rear Wiper Motor On LIN Bus.
- Common causes
- Common causes include Faulty Rear Wiper Motor, Rear Wiper Motor harness is open or shorted, Rear Wiper Motor 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 U1549 Chevrolet Description
What are the Possible Causes of the DTC U1549 Chevrolet?
- Faulty Rear Wiper Motor
- Rear Wiper Motor harness is open or shorted
- Rear Wiper Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC U1549 Chevrolet?
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 U1549 Chevrolet 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 U1549 Chevrolet Code
1. What are the common symptoms of OBDII code U1549 in a Chevrolet related to the Body Control Module losing communication with the rear wiper motor on the LIN bus?
The common symptoms include the rear wiper not working, erratic wiper operation, or a wiper that does not turn off.
2. What are the possible causes of the Body Control Module losing communication with the rear wiper motor on the LIN bus in a Chevrolet?
Possible causes include a faulty rear wiper motor, damaged wiring or connectors, a malfunctioning Body Control Module, or a communication network issue.
3. How can I diagnose the issue causing OBDII code U1549 in my Chevrolet?
To diagnose the issue, you can start by checking the rear wiper motor for proper operation, inspecting the wiring and connectors for any damage, and using a scan tool to communicate with the Body Control Module for troubleshooting.
4. Is it safe to continue driving my Chevrolet with OBDII code U1549 related to the rear wiper motor communication issue?
It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functioning of the rear wiper system.
5. Can I repair OBDII code U1549 in my Chevrolet by simply resetting the fault code?
Resetting the fault code may temporarily clear the warning light, but it will not fix the underlying issue causing the communication problem between the Body Control Module and the rear wiper motor.
6. What are some tips for repairing OBDII code U1549 in a Chevrolet myself?
Some DIY repair tips include checking and cleaning the connectors, inspecting the wiring for any damage, and ensuring the rear wiper motor is functioning correctly.
7. Do I need specialized tools to repair OBDII code U1549 in my Chevrolet?
While specialized tools like a scan tool can be helpful for diagnosing the issue, basic tools like a multimeter for checking electrical connections and a set of wrenches for removing components may be sufficient for basic repairs.
8. Why is it important to address OBDII code U1549 in my Chevrolet promptly?
Addressing the code promptly is important to ensure the proper functioning of the rear wiper system, which can improve visibility and safety while driving, especially in adverse weather conditions.
9. Can extreme weather conditions or environmental factors contribute to the occurrence of OBDII code U1549 in a Chevrolet?
Extreme weather conditions or exposure to moisture can potentially cause issues with the rear wiper motor or the communication between the Body Control Module and the motor, leading to the code U1549.
10. How much does it typically cost to repair OBDII code U1549 in a Chevrolet at a professional repair shop?
The cost of repairing OBDII code U1549 can vary depending on the specific cause of the issue, but it may involve diagnostic fees, parts replacement costs, and labor charges, which can range from a few hundred to a few thousand dollars.
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