TM 9-2320-365-20-3
8-4. WTEC II CODE READING AND CODE CLEARING PROCEDURES (CONT)
Table 8-1. WTEC II Diagnostic Code List and Description
MAIN
CODE
SUB
CODE
DESCRIPTION
PERFORM TROUBLESHOOTING
TASK
13
ANY
ECU input voltage, low/high
f19
21
ANY
Throttle position sensor, failed low/high
f12
22
14
15
16
Engine speed sensor reasonableness test
Turbine speed sensor reasonableness test
Output speed sensor reasonableness or rapid
decal test
f2
f3
f4
23
ANY
Shift selector fault
Replace WTEC II TEPSS (para 8-2).
24
ANY
Sump oil temperature, cold/hot
f5
25
ANY
Output speed reasonableness test, detected at 0
speed
f14
32
ANY
C3 pressure switch open
f6
33
ANY
Sump oil temperature sensor failed low/high
f5
34
ANY
Calibration compatibility or check sum fault
Replace WTEC II TEPSS (para 8-2).
35
ANY
Power interruption
f7 and f19. If fault persists, replace
WTEC II TEPSS (para 8-2).
36
ANY
Hardware/software not compatible
Replace WTEC II TEPSS (para 8-2).
41
ANY
Open or short to ground, solenoid circuit
f7
42
ANY
Short to battery, solenoid circuit
f7
43
ANY
Low side driver, solenoid circuit
f8
44
ANY
Short to ground, solenoid circuit
f7
45
ANY
Open circuit, solenoid circuit
f7
51
10
Offgoing ratio test (during shift), 1 to L
f13
12
Offgoing ratio test (during shift), 1 to 2
f13
21
Offgoing ratio test (during shift), 2 to 1
f13
23
Offgoing ratio test (during shift), 2 to 3
f13
43
Offgoing ratio test (during shift), 4 to 3
f13
45
Offgoing ratio test (during shift), 4 to 5
f13
65
Offgoing ratio test (during shift), 6 to 5
f13
52
ANY
Offgoing C3PS test (during shift)
f9
8-10
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