P2795: Gear Shift Direction Circuit High
The P2795 code indicates that the Powertrain Control Module (PCM) has detected a high voltage condition in the gear shift direction circuit. This circuit is responsible for communicating the driver's intended shift direction (forward or reverse) to the transmission control module. A high voltage reading typically points to a short to power, a faulty sensor, or a wiring issue. This can lead to incorrect gear selection or transmission malfunction.
01. Most Common Causes
- Short to power in the gear shift direction circuit wiring
- Faulty gear shift direction sensor or switch
- Corroded or damaged connector in the circuit
- Failed PCM or TCM (rare)
02. Symptoms You Will Notice
- Transmission stuck in one gear or fails to shift
- Check Engine Light illuminated
- Erratic or no response to gear selector input
- Vehicle may not start or move
03. Step-by-Step Diagnosis
Step 1: Use a scan tool to retrieve all stored codes and freeze frame data.
Step 2: Visually inspect the gear shift direction circuit wiring and connectors for damage, corrosion, or shorts.
Step 3: Test the gear shift direction sensor/switch for proper resistance and voltage per manufacturer specs.
Step 4: Check for shorts to power or ground in the circuit using a multimeter.
Step 5: If wiring and sensor are okay, test the PCM/TCM for proper operation or update software.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
No, it is not safe. The transmission may not shift correctly, leading to loss of vehicle control or transmission damage.
How much does it cost to fix?▼
Repair costs typically range from $50 to $150 for diagnostic and simple wiring repairs, but could be higher if the sensor or control module needs replacement.