P0892 — TCM Power Relay Sense Circuit Intermittent

What Does P0892 Mean?

P0892 is a diagnostic trouble code indicating: TCM Power Relay Sense Circuit Intermittent. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0892

⚠️ Check Engine Light (MIL) illuminated
⚠️ TCM Power Relay Sense signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Harsh or delayed shifting

Common Causes

🔍 Loose or intermittent connection at TCM Power Relay Sense
🔍 Wire chafing causing intermittent contact
🔍 TCM Power Relay Sense failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P0892 mean?

P0892 indicates: TCM Power Relay Sense Circuit Intermittent. The vehicle's computer has detected that the TCM Power Relay Sense is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0892?

Only short distances if absolutely necessary. P0892 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P0892?

Repair costs for P0892 typically range from $30 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 reseat all TCM Power Relay Sense connectors
🔧 Repair chafed or damaged wiring in TCM Power Relay Sense circuit
🔧 Replace TCM Power Relay Sense 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.

P0892: TCM Power Relay Sense Circuit Intermittent