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
Cost of diagnosing the B10B2 code
The cost of diagnosing the B10B2 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
B10B2 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
The 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.
B10B2 Information for specific makes