Shift Solenoid D Stuck On
The P0767 code indicates that the Powertrain Control Module (PCM) has detected that the shift solenoid D is stuck in the 'on' position. This solenoid controls hydraulic fluid flow to engage a specific gear in the automatic transmission. When stuck on, it can cause harsh shifts, incorrect gear engagement, or transmission slippage. The issue may be electrical (wiring, connector, PCM) or mechanical (blocked solenoid valve, contaminated fluid).
1. Symptoms You Will Notice
- Check Engine Light illuminated
- Harsh or erratic shifting
- Transmission stuck in one gear
- Decreased fuel economy
2. Most Common Causes
- Faulty shift solenoid D (shorted coil or mechanically stuck valve)
- Short circuit in solenoid D wiring to ground or battery voltage
- Corroded, moisture-damaged, or bent pins in solenoid D connector
- Internal failure of the transmission valve body
- Transmission control module (TCM) with outdated software or internal damage (less common)
- Contaminated or restricted transmission fluid affecting solenoid valve movement
3. Step-by-Step Diagnosis
Step 1: Scan for codes and record freeze frame data.
Step 2: Check transmission fluid level and condition.
Step 3: Inspect wiring and connectors for damage or corrosion.
Step 4: Test solenoid resistance and operation with a multimeter.
Step 5: Perform a transmission pressure test to confirm solenoid function.
4. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause further transmission damage. Limited driving to a repair shop is acceptable.
How much does it cost to fix?▼
Repair costs typically range from $150 to $400, including parts and labor. Solenoid replacement is often $50-$150, plus diagnostic fees.
5. Commonly Affected Makes
This is a generic OBD2 code, potentially applicable to any manufacturer using this diagnostic standard.