[SOLVED] U1860 Code: Fixing Lost Communication Between A/C & Powertrain Modules

If you see the Engine Light ON or Service Engine Soon Warning Light in your car, it could be due to the automobile fault code: u1860. This code indicates a problem with the HybridEV Powertrain Control Module 2, which could be caused by an open or shorted harness or poor electrical connection.

It is important to address this issue promptly as it could affect the performance of your car.

The repair time for this fault code is estimated to be 1.0. To fix the issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

Unveiling U1860: Common Symptoms Of This Automobile Fault Code

If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to the u1860 fault code. Here are the symptoms to look out for:

• The U1860 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
• Other symptoms may include issues with the transmission, such as difficulty shifting gears or the transmission slipping.
• The vehicle may also experience a decrease in power or acceleration, and the engine may stall or hesitate during operation.
• Additionally, the vehicle may experience issues with the brakes, such as reduced braking power or a spongy brake pedal.
• It is important to address these symptoms promptly to prevent further damage to the vehicle.

Decoding U1860: Common Causes Of The Fault Code

The automobile fault code u1860 can be caused by various issues, including a faulty powertrain control module or poor electrical connection.

• The automobile fault code U1860 can be caused by a faulty Hybrid/EV Powertrain Control Module 2.
• It can also be caused by an open or shorted Hybrid/EV Powertrain Control Module 2 harness.
• Additionally, a poor electrical connection in the Hybrid/EV Powertrain Control Module 2 circuit can also trigger this fault code.

Fix U1860: Simple Steps To Solve The Fault Code

To fix the u1860 fault code, check the possible causes and inspect the wiring harness, connectors, and components for any damage or corrosion.

• To fix the automobile fault code u1860, first, check the possible causes listed above.
• Then, visually inspect the related wiring harness and connectors.
• Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
• This fix will take an estimated repair time of 1.0 hour.

Crunching The Numbers: U1860 Fixing Cost & Complexity

The automobile fault code U1860 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops.

Therefore, the total cost of fixing the U1860 fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to fix the issue.

Unlocking The Mystery Of U1860 Fault Code

The U1860 fault code is related to the communication between devices in a vehicle. Devices exchange operating information and commands through serial data circuits.

The code sets when the AC Compressor cannot receive a message from the HybridEV Powertrain Control Module 2 for 3 seconds. This code indicates that there is a communication problem between the Electric AC Compressor Control Module and the HybridEV Powertrain Control Module 2.

FAQ

Wrap Up

If your engine light is on, it may be due to a faulty HybridEV Powertrain Control Module 2 or related wiring issues.

Visually inspect the wiring harness and connectors for damage and check for broken or corroded pins.

Check the “Possible Causes” listed above for more information.

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