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Step
Perform a Transmission Control Module (TCM)
Diagnostic System Check.
1
Is the check performed?
1. Install the scan tool.
2. Turn the ignition ON, with the engine OFF.
3. Record and then clear DTCs.
2
4. Operate the vehicle within the conditions for
setting this DTC as specified in the text.
Does the scan tool display P1708?
1. Isolate the driven wheels from the ground and
apply the hand brake.
2. Start the engine and allow it to idle.
3
3. Move the gear lever to Drive.
4. Select the Ignition Voltage on the scan tool Data
List.
Is the Ignition Voltage less than the specified value?
While running the engine at the specified value,
measure the battery voltage at the battery using a DVM.
4
Is the battery voltage greater than the specified value?
Check the fuse F4 for a malfunction and replace as
necessary?
5
Is a repair necessary?
1. Turn the ignition OFF.
2. Disconnect the TCM connector A.
3. Start the engine and raise the engine speed to
specified value.
6
4. While running the engine at the specified value,
measure the ignition voltage at the ignition feed
circuit terminal A30 using a DVM.
Is the ignition voltage greater than the specified value?
Check for a malfunctioning connection at the TCM
harness terminals and repair as necessary.
7
Is a repair necessary?
Repair the poor connection (high resistance) at the
ignition feed circuit.
8
Is the action complete?
1. Turn the ignition OFF.
2. Replace the TCM.
9
Is the action complete?
1. Using the scan tool, clear the DTCs.
2. Road test the vehicle within the conditions for
setting this DTC as specified in the text.
10
Does the scan tool indicate that this diagnostic has
run and passed?
Check if any DTCs are set.
11
Are there any DTCs displayed or previously recorded
at Step 2 that have not been diagnosed?
SSANGYONG Y200
DTC P1708 TCM Supply Voltage Low
Action
AUTOMATIC TRANSMISSION 5A-77
Value(s)
Yes
-
Go to Step 2
-
Go to Step 3
10 V
Go to Step 4
Idle in Drive
12 V
Go to Step 5
-
Go to Step 10
Idle in Drive
10 V
Go to Step 7
-
Go to Step 10
-
Go to Step 10
-
Go to Step 10
-
Go to Step 11
Go to
applicable
-
DTC table
No
Go to "TCM
Diagnostic
System Check"
Go to
"Diagnostic
Aids"
Go to Step 10
Go to Section
1E, Engine
Electrical
Go to Step 6
Go to Step 8
Go to Step 9
-
-
Go to Step 2
System OK,
Check
Complete
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