P0600
Medium SeveritySerial Communication Link
Electrical System
What Does P0600 Mean?
Communication error within the ECM or between the ECM and scan tool.
Common Fix
Repair ground connection or replace ECM
Estimated Cost (DIY)
$0 - $500
Symptoms
- ⚠️Check engine light
- ⚠️Scan tool communication issues
- ⚠️Multiple random codes
Related Symptoms
Common Causes
How to Diagnose P0600
- 1Check all ECM ground connections
- 2Inspect OBD2 port for damage
- 3Try different scan tool
- 4Check ECM connector
OEM Diagnostic Flowchart
Scroll to load technician if/then branches.
Read live data and freeze frame for P0600 to pinpoint the cause before buying parts.
Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0600.
OEM Manual Evidence
Browse →A L L Diagnostic Trouble Codes ( DTC ) — 2013 Dodge Avenger L4-2.4L Service Manual | Operation CHARM Operation CHARM : Car repair manuals f...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 Dodge Avenger V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair manuals f...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 Chrysler 200 V6-3.6L Service Manual | Operation CHARM Operation CHARM : Car repair manuals fo...
A L L Diagnostic Trouble Codes ( DTC ) — 2013 Chrysler 200 L4-2.4L Service Manual | Operation CHARM Operation CHARM : Car repair manuals fo...
Related Symptoms
Browse →Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0600.
Open the exact vehicle hub grounded by OEM manual evidence related to P0600.
Open the exact vehicle hub grounded by OEM manual evidence related to P0600.
Open the exact vehicle hub grounded by OEM manual evidence related to P0600.
Related Codes
Frequently Asked Questions
- Does P0600 mean the computer is bad?
- Not necessarily — check grounds and connections first. A corroded ground is a much more common cause than a failed ECM.
- Is ECM replacement expensive?
- ECMs cost $200-$800 and may need programming. Always rule out wiring issues first.

