P2792 moderate

Transmission Fluid Pressure Sensor/Switch G Circuit Low

The P2792 code means the vehicle's onboard diagnostic system has detected: Transmission Fluid Pressure Sensor/Switch G Circuit Low. 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

  1. Scan for codes and confirm P2792 with freeze frame data

  2. Check transmission fluid level and condition

  3. Inspect wiring and connectors for the affected circuit

  4. Test the specific sensor or actuator identified in the code description

  5. Check for related technical service bulletins for your vehicle

Frequently Asked Questions

What does P2792 mean?

P2792 indicates: transmission fluid pressure sensor/switch g circuit low. This code is set by the transmission control module when it detects an issue with this specific circuit or component.

Can I drive with P2792?

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

How much does it cost to fix P2792?

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.

Sources

This page is built from documented references. Verify against your own service info before repair work.

Explore More

Was this helpful?

Share carcodefinder.com with a friend who needs to decode their check engine light.