P07B2 — Transmission Park Position Sensor/Switch A Circuit/Open

What Does P07B2 Mean?

P07B2 is a diagnostic trouble code indicating: Transmission Park Position Sensor/Switch A Circuit/Open. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P07B2

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Transmission Park Position Sensor/Switch A readings
⚠️ Related system operating intermittently
⚠️ Harsh or delayed shifting

Common Causes

🔍 Wiring issue in Transmission Park Position Sensor/Switch A circuit (damaged, chafed, or corroded)
🔍 Faulty Transmission Park Position Sensor/Switch A connector or terminal
🔍 Failed Transmission Park Position Sensor/Switch A
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P07B2 mean?

P07B2 indicates: Transmission Park Position Sensor/Switch A Circuit/Open. The vehicle's computer has detected that the Transmission Park Position Sensor/Switch A is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P07B2?

Only short distances if absolutely necessary. P07B2 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P07B2?

Repair costs for P07B2 typically range from $150 to $500, 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 repair Transmission Park Position Sensor/Switch A wiring and connectors
🔧 Replace faulty Transmission Park Position Sensor/Switch A

1
Find your vehicle above
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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.

P07B2: Transmission Park Position Sensor/Switch A Circuit/Open