LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - V6 >> Self-Diagnostic Tests >> Code 24, Vehicle Speed Sensor 4.3L "S" & "T" Series Utility Vehicles With Manual Transmission, 4.3L, 5.0L & 5.7L With 4L60E Transmission & All 2WD With 4L80-E Transmission >> Diagnostic Aids

Diagnostic Aids

Check all connections, especially those at transmission pass-through connector. If code is intermittent, see INTERMITTENTS in TESTS W/O CODES article in this section. While Code 24 is set, scan tester will display an RPM derived from input speed.

Fig 1: CODE 24, Schematic, VSS (4.3L S & T Util. W/ M/T & 4.3L W/ 4L60E Trans.)
G93H76353
Fig 2: CODE 24, Schematic, VSS (2WD W/ 4L80E Transmission)
G93D76359
Fig 3: CODE 24, Flowchart, VSS (4.3L S & T Utility W/ M/T; 4.3L W/4L60E Trans. & 2WD W/ 4L80E Trans.)
G92G21762
scientia non olet · About LEMON Manuals