2004 ISUZU TF SERIES Workshop Manual

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ISUZU TF SERIES 2004  Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30 –40LE) (V6 3.5L)  7A2-33 
 
perform a diagnostic function by displaying DTC(s)  
and aid the technician in making repairs.

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ISUZU TF SERIES 2004  Workshop Manual 7A2-34  TRANSMISSION CONTROL SYSTEM (AW30 –40LE) (V6 3.5L) 
 
TCM Diagnostic Trouble Codes 
The following table lists the diagnostic trouble codes supported by this vehicle application. If any DTCs

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ISUZU TF SERIES 2004  Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)  7A2-35
 
DTC P0560 (FLASHING CODE 25) System Voltage Error 
 
  
 
 RTW37ALF000701 
Circuit Description 
The Transmission Control Module (TCM) moni

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ISUZU TF SERIES 2004  Workshop Manual 7A2-36  TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)
 
Diagnostic Aids 
 
Inspect the wiring for poor electrical connection at
the TCM. Look for possible bent, backed out,
deformed or damaged

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ISUZU TF SERIES 2004  Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)  7A2-37
 
DTC P0602 (FLASHING CODE 63) Transmission Control Module (TCM) 
Programming Error 
Circuit Description 
The Service Programming System (SP

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ISUZU TF SERIES 2004  Workshop Manual 7A2-38  TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)
 
DTC P0602 (FLASHING CODE 63) Transmission Control Module (TCM) 
Programming Error
 
 
Step Action  Value(s) YES NO 
1 
Was the “On-Board

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ISUZU TF SERIES 2004  Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)  7A2-39
 
DTC P0705 (FLASHING CODE 17) Transmission Range Sensor Circuit 
Malfunction 
  
 
 RTW37ALF000501 
 
Circuit Description 
The neutral star

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ISUZU TF SERIES 2004  Workshop Manual 7A2-40  TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)
 
Condition 2 ("Short"): 
When the TCM detects 2 times or more signals o
f
range sensor more than 0.025 sec at following
conditions. 
 
Veh