B10B2 - A/C Cool Down Test Performance
B10B2 Possible Causes
- Faulty A/C Heater Controller
- A/C Heater Controller harness is open or shorted
- A/C Heater Controller circuit poor electrical connection
How do I fix code B10B2?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the B10B2 code
Labor: 1.0The cost of diagnosing the B10B2 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B10B2 DescriptionThe A/C Heater Controller has software to enable it to perform an A/C Cool Down Test by a command using a scan tool. This test checks for evaporator temperature drop over a predetermined time. If the test fails, this DTC will set. However, certain test conditions are required to perform this test. Failure to run this test within those parameters can result in failure of the test.
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