Operation and maintenance manual

3-24
DDEC IV DIAGNOSTIC CODES
DDEC Code #
(Flashed) PID SID FMI DDEC Description
24 - 65 4 Oxygen content circuit input voltage low
25 - - - Reserved for 'No Codes'
26 - 25 1 Auxiliary shutdown #1 active
26 - 61 11 Auxiliary shutdown #2 active
27 171 - 3 Ambient air temperature sensor input voltage high (Release
2.00 or later only)
27 172 - 3 Air temperature sensor input voltage high
27 105 - 3 Intake manifold temperature sensor input voltage high
28 171 - 4 Ambient air temperature circuit failed low (Release 2.00 or later
only)
28 172 - 4 Air temperature sensor input voltage low
28 105 - 4 Intake manifold temperature sensor input voltage low
31 - 51 3 Aux. output #3 open circuit (high side) - S3
31 - 51 4 Aux. output #3 short to ground (high side) - S3
31 - 51 7 Aux. output #3 mechanical system fail - S3
31 - 52 3 Aux. output #4 open circuit (high side) - T3
31 - 52 4 Aux. output #4 short to ground (high side) - T3
31 - 52 7 Aux. output #4 mechanical system fail - T3
32 - 238 4 SEL open circuit
32 - 238 3 SEL short to battery (+)
32 - 239 3 CEL short to battery (+)
32 - 239 4 CEL open circuit
33 102 - 3 Turbo boost pressure sensor input voltage high
34 102 - 4 Turbo boost pressure sensor input voltage low
35 100 - 3 Oil pressure sensor input voltage high
35 19 - 3 High range oil pressure sensor input voltage high
36 100 - 4 Oil pressure sensor input voltage low
36 19 - 4 High range oil pressure sensor input voltage low
37 94 - 3 Fuel pressure sensor input voltage high