P0448

: P0448. CCV CIRCUIT SHORTED.

G92425t14 : CHECK CCV SIGNAL WIRE FOR SHORT TO GROUND.
1. Disconnect CCV electrical connector, FT5.
2. Disconnect ECM electrical connector, EN16.
3. Measure the resistance between FT5, pin 2 (0) and ground.

- Is the resistance less than 10,000 Ohms?

-> Yes
REPAIR the short to ground. CLEAR the DTC. Turn the ignition switch to the ON position. Leave switched on for minimum 30 seconds. RECHECK DTCs.

-> No
NO short found. A short in the CCV supply circuit may result in a blown fuse 36, PDFB. See initial checks.