Allison B 300 - Page 41

Copyright © 1998 General Motors Corp. 6–5
DIAGNOSTIC CODES
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
25 00
Output speed sensor detected at 0
output rpm, Low
Yes
(1)
DNS, Lock in current range (Low),
DNA
11
Output speed sensor, detected at
0 output rpm, 1st
Yes
(1)
DNS, Lock in current range (1st),
DNA
22
Output speed sensor, detected at
0 output rpm, 2nd
Yes
(1)
DNS, Lock in current range (2nd),
DNA
33
Output speed sensor, detected at
0 output rpm, 3rd
Yes
(1)
DNS, Lock in current range (3rd),
DNA
44
Output speed sensor, detected at
0 output rpm, 4th
Yes
(1)
DNS, Lock in current range (4th),
DNA
55
Output speed sensor, detected at
0 output rpm, 5th
Yes
(1)
DNS, Lock in current range (5th),
DNA
66
Output speed sensor, detected at
0 output rpm, 6th
Yes
(1)
DNS, Lock in current range (6th),
DNA
77
Output speed sensor, detected at
0 output rpm, Reverse range
Yes
(1)
DNS, Lock in current range (R),
DNA
32 00 C3 pressure switch open Yes DNS, Lock in current (Low), DNA
33 C3 pressure switch open, 3rd range Yes
DNS, Lock in current range (3rd),
DNA
55 C3 pressure switch open, 5th range Yes
DNS, Lock in current range (5th),
DNA
77
C3 pressure switch open,
Reverse range
Yes
DNS, Lock in current range (R),
DNA
33 12
Sump oil temperature sensor,
failed low
No Use default value of 93°C (200°F)
23
Sump oil temperature sensor,
failed high
No Use default value of 93°C (200°F)
34 12
EEPROM, factory calibration
compatibility number wrong
Yes
(2)
DNS, SOL OFF
(Hydraulic default), DNA
13
EEPROM, factory calibration block
checksum
Yes
(2)
DNS, SOL OFF
(Hydraulic default), DNA
14
EEPROM, Power Off Block
Checksum
No
Use previous location, or factory
calibration and reset adaptive,
DNA
15
EEPROM, Diagnostic Queue Block
Checksum
No
Use previous location, or clear
diagnostic queue, DNA
16
EEPROM, Real Time
Block Checksum
Yes
DNS, SOL OFF
(Hydraulic default), DNA
Table 6–2. WT Series Diagnostic Codes (cont’d)
Main
Code
Subcode Description
DO NOT
SHIFT
Light
Inhibited Operation
Description