Codes 1504 and 1506 speedometer and tachometer aren't working.
Apr 23, 2009 at 3:59 PM
Advertisement
DAVE H
✓ASE Certified Mechanic
13,384 POSTS
check or replace the VSS (vehicle speed sensor) .. the codes are related to the IAC (idle air control) valve .. !
Apr 24, 2009 at 5:54 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.