P2793 moderate

Transmission Fluid Pressure Sensor/Switch G Circuit High

The P2793 code means the vehicle's onboard diagnostic system has detected: Transmission Fluid Pressure Sensor/Switch G Circuit High. This is a moderate severity code.

My Garage →

Keep driving?: Short distances only
DIY difficulty: Advanced
Estimated cost: $200 - $1,000 (sensor/solenoid replacement)

Check Your Fluid First

ANCEL AD310 OBD-II Scanner

Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Read Transmission Codes

LAUNCH CRP123X (Reads All Systems)

Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Common Symptoms

Check Engine Light illuminated
Harsh or erratic shifting
Transmission slipping
Delayed gear engagement
Transmission may enter limp mode

Probable Causes (Ranked by Likelihood)

Faulty transmission fluid pressure sensor G High
Corroded or damaged sensor connector High
Wiring fault in pressure sensor G circuit Medium
Low or contaminated transmission fluid Medium
TCM/PCM internal circuit failure Low

Step-by-Step Diagnostic Procedure

Scan for codes and confirm P2793 with freeze frame data
Check transmission fluid level and condition
Inspect wiring and connectors for the affected circuit
Test the specific sensor or actuator identified in the code description
Check for related technical service bulletins for your vehicle

Frequently Asked Questions

What does P2793 mean?

P2793 indicates: transmission fluid pressure sensor/switch g circuit high. This code is set by the transmission control module when it detects an issue with this specific circuit or component.

Can I drive with P2793?

Yes, short distances are acceptable. The vehicle may be drivable but schedule repair promptly.

How much does it cost to fix P2793?

Typical repair costs are $200 - $1,000. The specific cost depends on whether the fix involves a sensor replacement, wiring repair, or more extensive transmission work.