U0019 Code - Low Speed CAN Communication Bus
Quick Answer
A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Diagnosis of this Diagnostic Trouble Code (DTC) is accomplished via the vehicle symptom(s), Check for more codes, Faulty Control Module. 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
- U0019 indicates Low Speed CAN Communication Bus.
- Common causes
- Common causes include Diagnosis of this Diagnostic Trouble Code (DTC) is accomplished via the vehicle symptom(s), Check for more codes, Faulty Control Module.
- 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 U0019 Description
What are the Possible Causes of the DTC U0019?
- Diagnosis of this Diagnostic Trouble Code (DTC) is accomplished via the vehicle symptom(s)
- Check for more codes
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC U0019?
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 U0019 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 U0019 code?
Need more information on how to fix the U0019 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0019 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- U0019 Chrysler — Low Speed CAN Communication Bus
- U0019 Dodge — Low Speed CAN Communication Bus
- U0019 Jeep — Low Speed CAN Communication Bus
- U0019 RAM — Low Speed CAN Communication Bus
Frequently Asked Questions about U0019 Code
1. What are the common symptoms of OBDII code U0019 (Low Speed CAN Communication Bus)?
- Common symptoms include issues with various vehicle systems like the instrument cluster, power windows, locks, and other control modules.
2. What can cause the OBDII code U0019 to trigger?
- The code U0019 is typically triggered by problems with the low-speed controller area network (CAN) communication bus, such as wiring issues, module malfunctions, or faulty connections.
3. How can I diagnose the OBDII code U0019?
- Diagnosing code U0019 involves using a diagnostic scanner to retrieve the code, checking for related trouble codes, inspecting the low-speed CAN bus wiring, and testing the communication between modules.
4. What are some repair tips for addressing the OBDII code U0019?
- Repair tips for resolving U0019 may include checking and repairing any damaged wiring, ensuring proper connections between modules, and potentially replacing faulty control modules.
5. Can the OBDII code U0019 be fixed without professional help?
- While some basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, diagnosing and repairing complex issues related to U0019 may require professional assistance.
6. Are there any safety concerns associated with the OBDII code U0019?
- Since U0019 can affect various vehicle systems, addressing the issue promptly is important to ensure the safe operation of critical functions like the instrument cluster, brakes, and airbags.
7. How do I prevent the recurrence of the OBDII code U0019?
- Regular maintenance, checking for loose connections, and addressing any electrical issues promptly can help prevent the recurrence of OBDII code U0019 related to low-speed CAN communication bus problems.
8. Can a low vehicle battery voltage trigger the OBDII code U0019?
- Yes, low vehicle battery voltage can sometimes lead to communication bus issues and trigger the U0019 code. Ensuring the battery is in good condition and properly charged is essential.
9. Is it safe to continue driving with the OBDII code U0019 present?
- It is not recommended to drive with the U0019 code present as it can affect the proper functioning of various vehicle systems, potentially compromising safety and performance.
10. How much does it typically cost to repair the OBDII code U0019?
- The cost of repairing code U0019 can vary depending on the underlying cause, the extent of the issue, and whether professional assistance is required. Costs may range from a simple wiring repair to replacing control modules.
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