Allison Transmission Motorhome Series Operator's Manual page 69

Code Listings And Procedures (WTEC III Controls) (cont'd)
CODES
MAIN SUB
CODE CODE
36 00, 01, 02
Hardware/Software
Not Compatible
42 12, 13, 14,
15, 16, 21
22, 23, 24,
26
Short-to-Battery in
Solenoid Circuit
44 12, 13, 14,
15, 16, 21,
22, 23, 24,
26
Solenoid Circuit
Short-to-Ground
45 12, 13, 14,
15, 16, 21,
22, 23, 24,
26
Solenoid Circuit
Open
46 21, 26, 27 Check:
Solenoid
Overcurrent
a. If able, recalibrate ECU; if not, replace ECU.
b. Check that ECU is compatible with TransID level
(36 01).
c. Troubleshoot TransID wire and circuit for
short-to-battery (36 02).
Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. ECU connectors are tight, clean, and undamaged.
c. Wiring harness is not pulled too tight, and there is
no damage, chafing, or screws through harness.
d. Wiring harness has no opens, shorts-between-
wires, or shorts-to-ground.
e. Unauthorized repairs have not been made.
f. Change harness (optional).
Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. ECU connectors are tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-
wires, or shorts-to-ground.
Check:
a. Main transmission connector is tight, clean, and
undamaged.
b. ECU connectors are tight, clean, and undamaged.
c. Wiring harness has no opens or shorts.
a. Main transmission connector is tight, clean, and
undamaged.
b. ECU connectors are tight, clean, and undamaged.
c. Wiring harness has no opens, shorts-between-
wires, or shorts-to-ground.
d. Replace ECU.
QUICK CHECKS
68