P0935: Hydraulic Pressure Sensor Circuit High
Severity
High
System
Transmission
What Does P0935 Mean?
P0935 is a diagnostic trouble code indicating: Hydraulic Pressure Sensor Circuit High. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Symptoms of P0935
- ⚠️ Check Engine Light (MIL) illuminated
- ⚠️ Hydraulic Pressure Sensor reading stuck at maximum value
- ⚠️ Related system operating erratically or in default mode
- ⚠️ Harsh or delayed shifting
Common Causes
- 🔍 Short to voltage in Hydraulic Pressure Sensor wiring harness
- 🔍 Corroded or water-damaged Hydraulic Pressure Sensor connector
- 🔍 Faulty Hydraulic Pressure Sensor outputting maximum voltage
- 🔍 Damaged wiring rubbing against metal components
- 🔍 ECM/PCM internal fault (rare)
Frequently Asked Questions
What does P0935 mean?
P0935 indicates: Hydraulic Pressure Sensor Circuit High. The vehicle's computer has detected that the Hydraulic Pressure Sensor is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P0935?
Only short distances if absolutely necessary. P0935 affects a critical system and should be diagnosed within a few days to avoid further damage.
How much does it cost to fix P0935?
Repair costs for P0935 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
- 🔧 Inspect and repair Hydraulic Pressure Sensor wiring for short to voltage
- 🔧 Clean or replace corroded Hydraulic Pressure Sensor connector
- 🔧 Replace faulty Hydraulic Pressure Sensor
-
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
P0905
Gate Select Position Circuit A Range/Performance
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