P1623 JEEP Immobilizer Code Word/ID Number Write Failure
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1623 JEEP Information for specific makes
JEEP Vehicle:JEEP Commander,JEEP Compass,JEEP Grand Cherokee,JEEP Liberty,JEEP Patriot,JEEP Wrangler,JEEP Wrangler Unlimited,