Dodge ZB 2005 Service Manual page 1175

DRIVEABILITY - GAS
Symptom:
P0125-CLOSED LOOP TEMP NOT REACHED
When Monitored and Set Condition:
P0125-CLOSED LOOP TEMP NOT REACHED
When Monitored: With battery voltage greater than 10.4 volts, after engine is started, for
ten minutes.
Set Condition: The engine temperature does not go above 18 deg. F after the engine has
been running for 10 minutes. Two trips are required to set this DTC.
ECT SENSOR
GOOD TRIP EQUAL TO ZERO
LOW COOLANT LEVEL
THERMOSTAT OPERATION
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 NOTE: If a ECT DTC set along with this code, diagnose the ECT DTC first.
NOTE: Inspect the ECT terminals and related PCM terminals. Ensure the
terminals are free from corrosion and damage.
NOTE: The best way to diagnose this DTC is to allow the vehicle to sit
overnight outside in order to have a totally cold soaked engine.
Note: Extremely cold outside ambient temperatures may have caused this
DTC to set.
WARNING: Never open the cooling system when the engine is hot. The
system is under pressure. Extreme burns or scalding may result. Allow the
engine to cool before opening the cooling system.
Check the coolant system to make sure that the coolant is in good condition and at
the proper level.
Is the coolant level and condition OK?
Yes → Go To 3
→ Inspect the vehicle for a coolant leak and add the necessary
No
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 5.
amount of coolant.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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APPLICABILITY
All
All