OBD Codes List

Diagnostic reference · P2A1C

P2A1C

Injection Pump Fuel Metering Control E Low (Cam/Rotor/Injector)

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P2A1C means Injection Pump Fuel Metering Control E Low (Cam/Rotor/Injector).

Where it lives

For P2A1C, the part to look at first is the injector named here.

Check these first

  • A fuel metering control E actuator stuck at low output
  • A short to ground on the fuel metering control E circuit
  • A failed fuel metering control E solenoid on the injection pump
  • A restricted fuel feed lowering metering control E output
  • A control module driver fault on fuel metering control E

What to do next

  1. Read fuel metering control E duty cycle on a scan tool
  2. Command fuel metering control E through its range
  3. Test the fuel metering control E circuit for a short to ground
  4. Check fuel pressure and the injection pump feed
  5. Replace the fuel metering control E solenoid if the circuit tests good
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.