Fuel Injector Group D Supply Voltage Circuit High

Where it lives

For P2157, the injector sits on the circuit this code reports. The description of P2157 reports a fault at the injector.

Check these first

• A short to voltage in the group D injector wiring
• High resistance in the group D injector wiring
• A failed fuel injector in group D
• A failed ECM injector driver circuit
• Incorrect group D injector installation

What to do next

1. Read the group D injector supply voltage on a scan tool
2. Measure resistance in the group D injector wiring
3. Test the group D wiring for a short to voltage
4. Inspect the group D injector connectors
5. Replace the failed group D injector or injector driver
6. Clear the code and retest

Look up another code