P1012 CHRYSLER Possible Causes
-Fuel leak -Fuel filter -Transfer pump flow -High pressure fuel pump -Leaking fuel injectors or connectors -Pressure limiting valve -Fuel control actuator -Fuel pressure sensor -Restriction in fuel return lines -Cascade overflow valve -Air in the fuel system
How is P1012 CHRYSLER Code Repaired?
Start by checking the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P1012 CHRYSLER Meaning
When code P1012 is set, the engine control module (ECM) detects that the fuel pump discharge pressure is high.