U1860 Chevrolet Code - Electric A/C Compressor Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2
Quick Answer
Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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
- U1860 Chevrolet indicates Electric A/C Compressor Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2.
- Common causes
- Common causes include Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted, Hybrid/EV Powertrain Control Module 2 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 U1860 Chevrolet Description
What are the Possible Causes of the DTC U1860 Chevrolet?
- Faulty Hybrid/EV Powertrain Control Module 2
- Hybrid/EV Powertrain Control Module 2 harness is open or shorted
- Hybrid/EV Powertrain Control Module 2 circuit poor electrical connection
How to Fix the DTC U1860 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 U1860 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 U1860 Chevrolet Code
1. What are the common symptoms of OBDII code U1860 in a Chevrolet related to the Electric A/C Compressor Control Module?
- Common symptoms include loss of air conditioning functionality, unusual compressor behavior, and possible warning lights on the dashboard.
2. What are the possible causes of U1860 code in a Chevrolet indicating Electric A/C Compressor Control Module communication loss?
- Possible causes include faulty wiring or connections, a malfunctioning A/C compressor control module, issues with the hybrid/EV powertrain control module 2, or software communication errors.
3. How can I diagnose the U1860 code in a Chevrolet to determine the exact cause of the communication loss between modules?
- A thorough diagnostic scan using an OBDII scanner is recommended to pinpoint the exact location and nature of the communication failure between the modules.
4. What are some repair tips for addressing OBDII code U1860 in a Chevrolet with Electric A/C Compressor communication issues?
- Start by checking and repairing any damaged wiring or loose connections related to the Electric A/C Compressor Control Module and the hybrid/EV powertrain control module 2. Resetting the codes and retesting the system after repairs is essential.
5. Is it safe to continue driving my Chevrolet with the U1860 code related to the Electric A/C Compressor Control Module communication loss?
- It is recommended not to ignore the U1860 code, as it can lead to further damage or issues with the A/C system. It's best to address the problem promptly to avoid potential complications.
6. Can a DIY enthusiast with basic automotive knowledge fix the U1860 code in a Chevrolet without professional help?
- While some basic troubleshooting like checking connections can be done by DIY enthusiasts, diagnosing and repairing communication issues between modules may require specialized tools and expertise, best handled by a professional mechanic.
7. How much does it typically cost to repair the U1860 code in a Chevrolet related to the Electric A/C Compressor Control Module?
- The cost of repair can vary depending on the exact cause of the communication loss and the labor rates of the repair shop. It's advisable to get a few quotes from reputable mechanics to compare prices.
8. Are there any preventive measures to avoid encountering the U1860 code in a Chevrolet in the future?
- Regular maintenance checks, especially on the A/C system and electrical connections, can help prevent issues like the U1860 code from occurring. Keeping an eye on warning lights and addressing them promptly is crucial.
9. Can a faulty Electric A/C Compressor Control Module cause other issues besides triggering the U1860 code in a Chevrolet?
- Yes, a faulty Electric A/C Compressor Control Module can affect the overall performance of the A/C system, leading to poor cooling, compressor failure, and potential strain on other related components.
10. How long does it usually take to repair the U1860 code in a Chevrolet involving Electric A/C Compressor Control Module communication issues?
- The repair time can vary based on the exact cause of the communication loss and the complexity of the repair. It's best to consult with a mechanic to get an estimate of the repair timeline.
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