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TM 9-2320-364-20-2
2-864
6. CODE 22: SPEED SENSOR INOPERATIVE (CONT).
2.
Repair wire(s) 112
and/or 113 (see
schematic Fig 2-22) or
notify DS
Maintenance.
Verify repair, go to
Step 4 of this Fault.
YES
NO
“CHECK TRANS” light ON.
“DO NOT SHIFT” light ON.
Restricted gear shifts.
Torque converter lockup clutch
unlocked.
Transmission does not shift
properly or stays in N
(Neutral).
Cab/transmission harness
connector at speed sensor
is OK.
Short/open wires 112 or 113
faulty.
Magnetic speed sensor faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
DDR test.
STE/ICE-R #91.
No signal or incorrect signal from
speed sensor at transmission to
ECU in electrical control box will
cause shift problems. ATEC will
register a code 22 fault.
WARNING
Is continuity measured on
wires 112 and 113 between
connectors MC20 and MC10?
Read WARNING
on Page 2-865
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