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HVACMinor✅ DIY Friendly

B1006

Evaporator Temperature Sensor Circuit

The HVAC module has detected an abnormal signal from the evaporator temperature sensor, which monitors the AC evaporator core to prevent icing and regulate compressor cycling.

SeverityMinor
CategoryHVAC
Est. Repair Cost$50–$200
Code TypeBody
DIY RepairYes

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Inspect sensor wiring
  • Step 2:Test sensor resistance
  • Step 3:Replace sensor
💡 Pro Tip: Compare the evaporator sensor's live reading to actual duct temperature with a thermometer; a sensor reading far off from reality confirms the sensor rather than a refrigerant charge issue.

Repair Cost Estimate

Full Repair Estimate
$50–$200
DIY Possible?
YES
Severity
Minor

Frequently Asked Questions

What does OBD2 code B1006 mean?+
B1006 stands for Evaporator Temperature Sensor Circuit. The HVAC module has detected an abnormal signal from the evaporator temperature sensor, which monitors the AC evaporator core to prevent icing and regulate compressor cycling.
What causes code B1006?+
Failed evaporator temp sensor; Wiring fault; Connector corrosion
How do I fix code B1006?+
Inspect sensor wiring; Test sensor resistance; Replace sensor
How much does it cost to fix B1006?+
Estimated repair cost for B1006 is $50–$200.
Is B1006 DIY-friendly?+
Yes — B1006 is generally DIY-friendly with basic tools.

AI Diagnosis

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