AutoCodes - OBDII Code List - B10B2 RAM

B10B2 RAM - A/C Cool Down Test Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B10B2 RAM Possible Causes

What does this mean?
  • 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 RAM?

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.

Cost of diagnosing the B10B2 RAM code

Labor: 1.0

The cost of diagnosing the B10B2 RAM 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.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B10B2 RAM Description

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.
OBDII Code B10b2 Ram - A/C Cool Down Test Performance - AutoCodes.com

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