U1024 Infiniti Code - VVEL Control Module CAN Communication
Quick Answer
The Controller Area Network (CAN) is a serial communication line for real-time applications. Common causes include Faulty Variable Valve Event & Lift (VVEL) Control Module, VVEL Control Module harness is open or shorted, VVEL Control Module 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
- U1024 Infiniti indicates VVEL Control Module CAN Communication.
- Common causes
- Common causes include Faulty Variable Valve Event & Lift (VVEL) Control Module, VVEL Control Module harness is open or shorted, VVEL Control Module 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 U1024 Infiniti Description
The Diagnostic Trouble Code (DTC) when the Variable Valve Event & Lift (VVEL) Control Module cannot transmit/receive can communication signal from the Engine Control Module (ECM).
What are the Possible Causes of the DTC U1024 Infiniti?
- Faulty Variable Valve Event & Lift (VVEL) Control Module
- VVEL Control Module harness is open or shorted
- VVEL Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC U1024 Infiniti?
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 U1024 Infiniti 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 U1024 Infiniti Code
1. What does the OBDII code U1024 mean for an Infiniti?
U1024 indicates a communication issue between the VVEL (Variable Valve Event and Lift) Control Module and the CAN (Controller Area Network) bus.
2. What are the symptoms of a U1024 code on an Infiniti?
Symptoms may include reduced engine performance, hesitation during acceleration, poor fuel economy, or the check engine light illuminating.
3. What causes the U1024 code to appear?
Common causes include wiring issues, a malfunctioning VVEL Control Module, faulty CAN bus connections, or a damaged Engine Control Module (ECM).
4. Can I drive my Infiniti with a U1024 code?
While the car may still be drivable, ignoring this code can lead to worsened performance and potential damage to the engine or related components.
5. How is the U1024 code diagnosed?
A technician will typically use a scan tool to check for related codes, inspect the CAN bus wiring, test the VVEL Control Module, and verify proper ECM operation.
6. What repairs are needed to fix the U1024 code?
Repairs may involve fixing or replacing damaged wiring or connectors, reprogramming or replacing the VVEL Control Module, or addressing issues with the ECM.
7. How much does it cost to fix a U1024 code on an Infiniti?
The repair cost can vary widely depending on the root cause, ranging from $100 for simple wiring repairs to over $1,000 for module replacements.
8. Can a U1024 code be triggered by a dead battery?
Yes, a weak or dead battery can cause communication errors like U1024, as it might disrupt the CAN bus network temporarily.
9. Is a software update ever required to fix a U1024 code?
In some cases, an ECM or VVEL Control Module software update may be necessary to resolve communication issues.
10. Can I clear the U1024 code without repairing the issue?
Clearing the code without addressing the underlying problem is not recommended, as the issue will likely recur and may worsen over time.
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