Engine CAN Message Incorrect

P0600 - ENGINE CAN MESSAGE INCORRECT





When Monitored and Set Condition

- When Monitored: CAN-ID received at least once and CAN BUS Circuit is not active.
- Set Condition: DTC Detected if the number of bytes is incorrect for CAN ID.





For a complete Transmission Control Module Circuit Diagram, [1][2]Automatic Transmission/Transaxle.

For a complete CAN BUS Circuit Diagram, Communications.

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. CHECK TO SEE IF ENGINE DTCS ARE PRESENT
Turn the ignition on.
With the scan tool, read Engine DTCs.
Are any performance or BUS related Engine DTCs present?

Yes

- Diagnose and repair the DTC(s).

No

Go To 3

3. PCM - ENGINE CAN MESSAGE INCORRECT
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 CAN MESSAGE INCORRECT set again?

Yes

- Replace the Transmission Control Module. Transmission Control Module - Removal.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. Transmission Verification Test

No

- Test Complete.