Copyright © 1998 General Motors Corp. 6–7
DIAGNOSTIC CODES
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
42
(cont’d)
22 Short-to-battery, G solenoid circuit Yes DNS, Lock in a range, DNA
23 Short-to-battery, H solenoid circuit No
Retarder allowed, differential lock
inhibited
24 Short-to-battery, J solenoid circuit No Low and 1st inhibited
25 Short-to-battery, K solenoid circuit No Retarder operation inhibited
26 Short-to-battery, N solenoid circuit No Low and 1st inhibited
43 21 Low side driver, F solenoid circuit No Lockup inhibited, DNA
25 Low side driver, K solenoid circuit No
K solenoid operation inhibited,
DNA
26 Low side driver, N solenoid circuit No Low and 1st inhibited, DNA
44 12 Short-to-ground, A solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
13 Short-to-ground, B solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
14 Short-to-ground, C solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
15 Short-to-ground, D solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
16 Short-to-ground, E solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
21 Short-to-ground, F solenoid circuit No Lockup inhibited, DNA
22 Short-to-ground, G solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
23 Short-to-ground, H solenoid circuit No
Retarder allowed, differential lock
inhibited
24 Short-to-ground, J solenoid circuit No Low and 1st inhibited
25 Short-to-ground, K solenoid circuit No K solenoid operation inhibited
26 Short-to-ground, N solenoid circuit No Low and 1st inhibited
45 12 Open circuit, A solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
13 Open circuit, B solenoid circuit Yes
DNS, SOL OFF
(Hydraulic default), DNA
14 Open circuit, C solenoid circuit 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
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