Engine Temperature Message
P0600 - ENGINE TEMPERATURE MESSAGE
When Monitored and Set Condition
- When Monitored: Valid Engine Temperature CAN message received at least once and CAN BUS Circuit error, Engine CAN Message Missing and Engine CAN Message Incorrect are not active.
- Set Condition: Engine coolant temperature signal is not valid - indicates possible coolant temperature sensor error.
For a complete Transmission Control Module Circuit Diagram, [1][2]Automatic Transmission/Transaxle.
For a complete CAN BUS Circuit Diagram, Communications.
Diagnostic Test
1. PRE-DIAGNOSTIC CHECK OUT
NOTE: Low fluid level can be the cause of many transmission problems. If the fluid level is low, locate and repair the leak then check and adjust the fluid level.
NOTE: Always perform diagnostics with a fully charged battery to avoid false symptoms.
With the scan tool, read Engine DTCs. Check and repair all engine DTCs prior to performing transmission symptom diagnostics.
With the scan tool, read and record all Transmission DTCs.
NOTE: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Repair as necessary.
Most DTCs set on start up but some must be set by driving the vehicle such that all diagnostic monitors have run.
NOTE: Check for any Technical Service Bulletins that may apply.
Perform this procedure prior to Symptom diagnosis.
Continue
Go To 2
2. (P0720) CAN BUS CIRCUIT DTC PRESENT
Turn the ignition on.
With the scan tool, read Transmission DTCs.
NOTE: If DTC (P0720) CAN BUS CIRCUIT is present, perform diagnostics on that symptom first.
Is DTC (P0720) CAN BUS CIRCUIT present?
Yes
- Diagnose and repair the DTC(s).
No
Go To 3
3. CHECK TO SEE IF ENGINE DTCS ARE PRESENT
With the ignition on.
With the scan tool, read Engine DTCs.
Are any Engine Coolant Temperature Sensor DTCs present?
Yes
- Diagnose and repair the DTC(s).
No
Go To 4
4. PCM - ENGINE TEMP MESSAGE
Turn the ignition off.
Replace and program the Powertrain Control Module. Powertrain Control Module - Removal.
Turn the ignition on.
With the scan tool, erase Transmission DTCs.
Start the engine.
With the brakes firmly applied, shift the gear selector into drive.
With the scan tool, read Transmission DTCs.
Did DTC (P0600) ENGINE TEMPERATURE MESSAGE set again?
Yes
- Replace the Transmission Control Module. Transmission Control Module - Removal.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Transmission Verification Test
No
- Test Complete.