P1317 — Spark Plug Voltage Detection Circuit Malfunction Rear Bank

What Does P1317 Mean?

P1317 is a manufacturer-specific diagnostic trouble code: Spark Plug Voltage Detection Circuit Malfunction Rear Bank. This code applies to ACURA, HONDA, INFINITI, OTHER, FORD vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1317

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Spark Plug Voltage Detection readings
⚠️ Related system operating intermittently
⚠️ Reduced engine performance

Common Causes

🔍 Wiring issue in Spark Plug Voltage Detection circuit (damaged, chafed, or corroded)
🔍 Faulty Spark Plug Voltage Detection connector or terminal
🔍 Failed Spark Plug Voltage Detection
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P1317 mean?

P1317 indicates: Spark Plug Voltage Detection Circuit Malfunction Rear Bank. The vehicle's computer has detected that the Spark Plug Voltage Detection is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1317?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1317 for extended periods may cause additional problems.

How much does it cost to fix P1317?

Repair costs for P1317 typically range from $80 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 repair Spark Plug Voltage Detection wiring and connectors
🔧 Replace faulty Spark Plug Voltage Detection

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.

P1317: Spark Plug Voltage Detection Circuit Malfunction Rear Bank