P07CF — Transmission Mode Switch D Circuit Low

What Does P07CF Mean?

P07CF is a diagnostic trouble code indicating: Transmission Mode Switch D Circuit Low. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P07CF

⚠️ Check Engine Light (MIL) illuminated
⚠️ Transmission Mode Switch D reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ Harsh or delayed shifting

Common Causes

🔍 Open or broken wire in Transmission Mode Switch D circuit
🔍 Poor ground connection at Transmission Mode Switch D
🔍 Faulty Transmission Mode Switch D with no output signal
🔍 Disconnected or loose Transmission Mode Switch D connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P07CF mean?

P07CF indicates: Transmission Mode Switch D Circuit Low. The vehicle's computer has detected that the Transmission Mode Switch D is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P07CF?

Only short distances if absolutely necessary. P07CF affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P07CF?

Repair costs for P07CF typically range from $20 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

🔧 Repair broken wire or restore ground in Transmission Mode Switch D circuit
🔧 Clean and secure Transmission Mode Switch D connector and ground points
🔧 Replace failed Transmission Mode Switch D

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.

P07CF: Transmission Mode Switch D Circuit Low