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P2738: Pressure Control Solenoid F Control Circuit Low

Severity
Low
NHTSA Reports
1
Vehicles Affected
1
System
Powertrain
Last reviewed: Last updated:

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 P2738 Mean?

P2738 is a diagnostic trouble code indicating: Pressure Control Solenoid F Control Circuit Low. This code relates to the powertrain system. It has been reported in NHTSA complaints across 1 different vehicle models.

Symptoms of P2738

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"P2738 Pressure Control Solenoid Valve 6 Control Circuit Low Voltage. Whenever you drive, the transmission will go into limp mode every now and then. It will say low oil pressure and throw another code of P0700 MIL Request From TCM. This is a common issue that I have researched and would like to know"

— Chevrolet Colorado owner, 02/27/2025

Source: NHTSA Complaints Database

Most Reported Vehicles for P2738

Based on NHTSA owner complaint data.

# Vehicle Reports
1 CHEVROLET COLORADO

Frequently Asked Questions

Can I drive with this code?
It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.
Will this code clear itself?
Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.
How do I find the exact cause?
A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

  • 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
  • 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 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

P2700 Transmission Friction Element A Apply Time Range/Performance P2701 Transmission Friction Element B Apply Time Range/Performance P2702 Transmission Friction Element C Apply Time Range/Performance P2703 Transmission Friction Element D Apply Time Range/Performance P2704 Transmission Friction Element E Apply Time Range/Performance P2705 Transmission Friction Element F Apply Time Range/Performance P2706 Shift Solenoid F P2707 Shift Solenoid F Performance/Stuck Off P2708 Shift Solenoid F Stuck On P2709 Shift Solenoid F Electrical