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TROUBLE DIAGNOSES
DIAGNOSTIC PROCEDURE 24
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CODE 55
-
ENGINE CONTROL MODULE (ECM)
lgnition off.
Insert diagnostic bridge, clear codes.
J
/
ignition off.
I
Remove diagnostic bridge.
Run engine for 1 minute or until ECM
light comes on.
or code 12.
Check relevant chart
or code 12 indicates
no fault recorded.
Note: When a Code 55 is present.
1. Air conditioner will not operate.
2. Fans will be on after the engine has
been run irrespective of temperature.
3. Transmission lock-up release solenoid
is disabled under all conditions.
Clear Codes, run engine for 2 minutes and re-check for codes.
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