U2622 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 10
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Hybrid/EV Battery Interface Control Module 10, Hybrid/EV Battery Interface Control Module 10 harness is open or shorted, Hybrid/EV Battery Interface Control Module 10 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
- U2622 Chevrolet indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 10.
- Common causes
- Common causes include Faulty Hybrid/EV Battery Interface Control Module 10, Hybrid/EV Battery Interface Control Module 10 harness is open or shorted, Hybrid/EV Battery Interface Control Module 10 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 U2622 Chevrolet Description
The scan tool does not communicate the Hybrid/EV Battery Interface Control Modules 10 on Battery Energy Control Module dedicated bus.
The Diagnostic Trouble Code (DTC) will set when there is no temperature report message from Hybrid/EV Battery Interface Control Modules 10 to Battery Energy Control Module within 4s.
What are the Possible Causes of the DTC U2622 Chevrolet?
- Faulty Hybrid/EV Battery Interface Control Module 10
- Hybrid/EV Battery Interface Control Module 10 harness is open or shorted
- Hybrid/EV Battery Interface Control Module 10 circuit poor electrical connection
- Faulty Battery Energy Control Module
How to Fix the DTC U2622 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 U2622 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 U2622 Chevrolet Code
1. What does the OBDII code U2622 mean for a Chevrolet?
The U2622 code indicates that the Battery Energy Control Module has lost communication with the Hybrid/EV Battery Interface Control Module 10.
2. What are common symptoms of the U2622 code in a Chevrolet?
Symptoms may include a check engine light, reduced hybrid or EV performance, charging issues, or the inability to operate in EV mode.
3. What causes the U2622 code to appear in a Chevrolet?
The code is typically caused by poor electrical connections, damaged wiring, a faulty Battery Energy Control Module, or a malfunctioning Hybrid/EV Battery Interface Control Module 10.
4. Can the U2622 code affect my vehicle’s drivability?
Yes, it can lead to reduced power, limited hybrid or EV functionality, or in some cases, the vehicle may fail to start or switch to limp mode.
5. How is the U2622 code diagnosed?
A mechanic will use an advanced scan tool to check for communication issues, visually inspect wiring and connectors, and test the related modules for faults.
6. Can a weak 12V battery cause the U2622 code?
Yes, a weak or failing 12V auxiliary battery can disrupt communication between modules and trigger the U2622 code.
7. Is the U2622 code specific to Chevrolet hybrid or EV models?
While the code may appear in other vehicles, it is commonly associated with Chevrolet hybrid and EV models due to their specific module configurations.
8. What repairs are needed to fix the U2622 code?
Repairs may include fixing damaged wiring, cleaning or reconnecting loose connectors, updating module software, or replacing faulty modules.
9. Can I clear the U2622 code without fixing the issue?
Clearing the code without addressing the root cause is not recommended, as the problem will likely return and may cause further damage.
10. How much does it cost to repair the U2622 code on a Chevrolet?
Repair costs vary, ranging from $100 for basic wiring fixes to over $1,000 if module replacement or reprogramming is needed.
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