DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2127
Accelerator pedal position sensor 2 circuit low input
An excessively low voltage from the APP sensor 2 is sent to ECM.
  • Harness or connectors
    (APP sensor 2 circuit is open or shorted.)
    [CKP sensor (POS) circuit is shorted.]
    [CMP sensor (PHASE) (bank 2) circuit is shorted.]
    (Power steering pressure sensor circuit is shorted.)
    (Manifold absolute pressure sensor circuit is shorted.)
    (Refrigerant pressure sensor circuit is shorted.)
  • Accelerator pedal position sensor (APP sensor 2)
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Power steering pressure sensor
  • Manifold absolute pressure sensor
  • Refrigerant pressure sensor
P2128
Accelerator pedal position sensor 2 circuit high input
An excessively high voltage from the APP sensor 2 is sent to ECM.

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE