Shift Solenoid H Performance/Stuck Off
The P076B code indicates that the Powertrain Control Module (PCM) has detected a malfunction in the shift solenoid H circuit or its operation. This solenoid is responsible for controlling hydraulic pressure to engage a specific gear. When the solenoid is stuck off, it fails to actuate, causing improper gear engagement or shifting issues. This can lead to transmission slippage, harsh shifts, or failure to shift into the affected gear.
01. Most Common Causes
- Faulty shift solenoid H
- Wiring or connector issues in the solenoid circuit
- Low or contaminated transmission fluid
- Internal transmission mechanical failure
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Harsh or delayed shifts
- Transmission stuck in a single gear
- Decreased fuel economy
03. Step-by-Step Diagnosis
Step 1: Scan the vehicle for codes and record freeze frame data.
Step 2: Inspect transmission fluid level and condition; top off or replace if necessary.
Step 3: Visually check wiring and connectors to shift solenoid H for damage or corrosion.
Step 4: Test solenoid resistance and operation using a multimeter and scan tool.
Step 5: If solenoid is faulty, replace it; if wiring is bad, repair as needed.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive with this code as it can cause further transmission damage and unsafe driving conditions.
How much does it cost to fix?▼
The cost typically ranges from $150 to $400, including parts and labor, depending on the vehicle and shop rates.