P2E80 — A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic

What Does P2E80 Mean?

P2E80 is a diagnostic trouble code indicating: A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2E80

⚠️ Check Engine Light (MIL) illuminated
⚠️ A/C Compressor Control Module InternalTemperature Sensor B signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ System warning light illuminated

Common Causes

🔍 Loose or intermittent connection at A/C Compressor Control Module InternalTemperature Sensor B
🔍 Wire chafing causing intermittent contact
🔍 A/C Compressor Control Module InternalTemperature Sensor B failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P2E80 mean?

P2E80 indicates: A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic. The vehicle's computer has detected that the A/C Compressor Control Module InternalTemperature Sensor B is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2E80?

Yes, P2E80 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P2E80?

Repair costs for P2E80 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all A/C Compressor Control Module InternalTemperature Sensor B connectors
🔧 Repair chafed or damaged wiring in A/C Compressor Control Module InternalTemperature Sensor B circuit
🔧 Replace A/C Compressor Control Module InternalTemperature Sensor B if failing intermittently

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2E80: A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic