Pressure Control Solenoid 'G' Control Circuit Range/Performance
The P2813 code indicates that the Transmission Control Module (TCM) has detected a range or performance issue in the electrical circuit controlling pressure control solenoid 'G'. This solenoid regulates hydraulic pressure within the transmission to facilitate smooth gear shifts. The fault may stem from an open, short, or high resistance in the solenoid circuit, or from a malfunctioning solenoid itself. This can lead to erratic shifting, slipping, or harsh engagement.
01. Most Common Causes
- Faulty pressure control solenoid 'G'
- Open or shorted wiring in the solenoid circuit
- Corroded or damaged connector
- Low transmission fluid level or dirty fluid
- Internal transmission mechanical failure
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Harsh or delayed shifts
- Transmission slipping
- Vehicle stuck in limp mode or a single gear
- Decreased fuel economy
03. Step-by-Step Diagnosis
Step 1: Scan for additional codes and note freeze frame data.
Step 2: Inspect transmission fluid level and condition; top off or replace if necessary.
Step 3: Visually check wiring and connectors for damage, corrosion, or loose connections.
Step 4: Test solenoid resistance with a multimeter and compare to manufacturer specs.
Step 5: Perform a circuit integrity test (continuity, short to ground/power) using a wiring diagram.
Step 6: If circuit and solenoid test OK, suspect TCM or internal transmission issue.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended. Driving with a faulty pressure control solenoid can cause erratic shifting, transmission slipping, or sudden failure, potentially leading to a dangerous situation or costly transmission damage.
How much does it cost to fix?▼
Repair costs vary widely. Replacing a solenoid can cost $200-$400 for parts and labor. If wiring repair is needed, it may be less. If the transmission requires internal repairs, costs can exceed $1,500.