#7 High To Low Side Open
–Light ON (or Service Engine Soon Warning Light)
P1277 JEEP Description
Indicates a high voltage condition exists at the injector output of the NG module forNo. 7 when low voltage is expected.
JEEP Vehicle:JEEP Commander,JEEP Compass,JEEP Grand Cherokee,JEEP Liberty,JEEP Patriot,JEEP Wrangler,JEEP Wrangler Unlimited,