P0905: Gate Select Position Circuit A Range/Performance

Severity

High

System

Transmission

Last reviewed: Jan 1, 0001 Last updated: Jan 1, 0001

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does P0905 Mean?

P0905 is a diagnostic trouble code indicating: Gate Select Position Circuit A Range/Performance. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0905

⚠️ Check Engine Light (MIL) illuminated
⚠️ Gate Select Position not operating within expected parameters
⚠️ Reduced efficiency or performance of related system
⚠️ Harsh or delayed shifting

Common Causes

🔍 Gate Select Position degraded or contaminated
🔍 Mechanical wear or binding in Gate Select Position
🔍 Incorrect Gate Select Position installed (wrong part number)
🔍 Related system mechanical issue affecting Gate Select Position readings

Frequently Asked Questions

What does P0905 mean?

P0905 indicates: Gate Select Position Circuit A Range/Performance. The vehicle's computer has detected that the Gate Select Position is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0905?

Only short distances if absolutely necessary. P0905 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P0905?

Repair costs for P0905 typically range from $50 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 clean Gate Select Position
🔧 Replace degraded Gate Select Position
🔧 Check for related mechanical issues affecting readings

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.

Related Codes

P0900 Clutch A Actuator Control Circuit/Open P0901 Clutch A Actuator Control Circuit Range/Performance P0902 Clutch A Actuator Control Circuit Low P0903 Clutch A Actuator Control Circuit High P0904 Gate Select Position Circuit A P0906 Gate Select Position Circuit A Low P0907 Gate Select Position Circuit A High P0908 Gate Select Position Circuit A Intermittent P0909 Gate Select Control Error P090A Clutch B Actuator Control Circuit/Open