P0602

P0602 - PCM PROGRAMMED INCORRECT TRANS/NO COMM FROM TCM





When Monitored and Set Condition

- When Monitored: With the ignition on.
- Set Condition: This DTC is set when a CAN ID is not received in the required time from the Transmission Control Module (TCM).





For a complete Electronic Control Module Circuit Diagram, Communications.

Diagnostic Test

1. CHECK FOR CURRENT DTC
Turn the ignition on.
With the scan tool, read PCM DTCs.
Is this DTC present?

Yes

- For complete diagnosis of this DTC, refer to (P0600) NO TRANSMISSION BUS MESSAGE. P0600

No

- Go To 2

2. INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.

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 specific to this DTC. Wiggle the wires while checking for shorts and open circuits.

NOTE: Check for any Technical Service Bulletins that may apply.

Were there any problems found?

Yes

- Repair as necessary.
- Perform POWERTRAIN VERIFICATION TEST - VER 2. Powertrain Verification Test

No

- The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.