Ford F150 Pickup. Instruction — part 1648

Fig. 1: Identifying PCM Calibration Codes - Protocol 1
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Fig. 2: Identifying PCM Calibration Codes - Protocol 2
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Fig. 3: Identifying PCM Calibration Codes - Protocol 3
Courtesy of FORD MOTOR CO.

PROTOCOL 3 CODE DESCRIPTIONS

Position 1 = Model Year

Indicates last digit of model year in which calibration was first introduced.

0

2000

1

2001

2

2002

Position 2 = Vehicle Code

Identifies vehicle line.

A3

Windstar

B3

Expedition & Navigator

E4

Econoline

F5

F150 Pickup

F7

F250-550 Super Duty Pickup

LQ

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks

Aviator

L1

Excursion

M1

Escape

N1

Blackwood

R3

Ranger

S1

Explorer Sport Trac

U5

Explorer & Mountaineer

U7

Explorer Sport

Y3

Stripped Motorhome Chassis

Position 3 = Transmission Code

Identifies transmission type.

1

Automatic Transmission

2

Instruction Transmission

Position 4 = Unique Calibration

2003 Ford Pickup F150

2003 ENGINE PERFORMANCE Vacuum Diagrams - Trucks