Reading Codes: Notes

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If self-test will not activate or TOOL COMMUNICATION ERROR is received, for 7.3L, go to TEST QA under SYSTEM TESTS in appropriate SELF-DIAGNOSTICS - 7.3L DIESEL article in ENGINE PERFORMANCE. For 6.0L, go to test TEST AE under SYSTEM TESTS in appropriate SELF-DIAGNOSTICS - 6.0L DIESEL article in ENGINE PERFORMANCE.