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Home >> Chevrolet >> 1994 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM/Pcm Code Charts >> Code 79, Transmission Fluid OVERTEMP >> Diagnostic Aids
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Diagnostic Aids

See Code 59 chart to check transmission temperature sensor temperature-to-resistance values. Also, check transmission fluid level.

TEMPERATURE-TO-RESISTANCE VALUES (1)

Temperature °F (°C) Ohms
212 (100) 177
194 (90) 241
158 (70) 467
104 (40) 1459
68 (20) 3520
23 (-5) 12,300
14 (-10) 16,180
0 (-18) 25,000
-4 (-20) 28,680
-22 (-30) 52,700
-40 (-40) 100,700
(1) Measure resistance across sensor terminals.
Fig 1: Code 79 Schematic (Corvette) Transmission Fluid Overtemp
G94F31919
Fig 2: Code 79 Flow Chart (Corvette) Transmission Fluid Overtemp
G94G35168