Shift Solenoid H Malfunction
The P076A code indicates a malfunction in the shift solenoid H, which is part of the transmission's hydraulic control system. This solenoid regulates fluid flow to engage specific gears. When the Powertrain Control Module (PCM) detects an electrical or performance issue with solenoid H, it sets this code. Common causes include electrical faults (open/short circuit), low transmission fluid, internal transmission damage, or a faulty solenoid. Symptoms may include harsh shifting, gear slippage, or the transmission stuck in a single gear.
01. Most Common Causes
- Faulty shift solenoid H
- Wiring or connector issues (open/short circuit)
- Low or contaminated transmission fluid
- Internal transmission mechanical failure
02. Symptoms You Will Notice
- Check Engine Light illuminated
- Harsh or erratic shifting
- Transmission stuck in gear or fails to shift
- Reduced fuel economy
03. 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 to solenoid H for damage or corrosion.
Step 4: Test solenoid resistance and power/ground circuits with a multimeter.
Step 5: Perform a solenoid actuation test using a scan tool.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended. Driving with a malfunctioning shift solenoid can cause further transmission damage and unsafe driving conditions.
How much does it cost to fix?▼
Repair costs typically range from $150 to $400, including parts and labor, depending on the cause and vehicle.