Fuel Injector Driver Circuit Performance Bank 1
The P062D code indicates a performance issue in the fuel injector driver circuit for Bank 1. The engine control module (ECM) monitors the voltage and current supplied to the fuel injectors. When the ECM detects that the injector driver circuit is not performing within expected parameters—such as incorrect voltage, current, or timing—it sets this code. This can lead to improper fuel delivery, causing misfires, rough idle, and reduced engine performance.
01. Most Common Causes
- Faulty fuel injector driver module
- Wiring or connector issues in the injector circuit
- Failed fuel injector (short or open circuit)
- ECM software or hardware failure
02. Symptoms You Will Notice
- Engine misfire or rough idle
- Check Engine Light illuminated
- Reduced fuel economy
- Engine hesitation or stalling
03. Step-by-Step Diagnosis
Step 1: Scan for additional codes and freeze frame data to identify related issues.
Step 2: Visually inspect the fuel injector wiring and connectors for damage, corrosion, or loose connections.
Step 3: Use a multimeter to test the resistance of each fuel injector on Bank 1 and compare to specifications.
Step 4: Check the fuel injector driver module (if equipped) for proper operation using a scan tool or oscilloscope.
Step 5: Perform a voltage drop test on the injector power and ground circuits to identify high resistance.
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 engine misfires, reduced performance, and potential damage to the catalytic converter.
How much does it cost to fix?▼
The cost typically ranges from $50 to $150 for diagnostic labor, plus parts if needed. Injector replacement can add $100-$300 per injector.