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Section 122 (Communication - Non-DTC Based Diagnostics)
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Section 122 (Communication - Non-DTC Based Diagnostics)
WARNING:
This page is about a different car, the 2019 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
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Diagnosis And Testing
Multiple Modules Will Not Communicate With Can C, Ch Or IHS
Theory Of Operation
Can Bus Voltages (Normal Operation)
Testing With The MOPAR® Diagnostic Splice Block Kit
Scan Tool Will Not Communicate With Vehicle
Theory Of Operation
When Monitored And Set Conditions
Diagnostic Test
No Response From Ecu
Notes
Theory Of Operation
When Monitored And Set Conditions
Diagnostic Test
Stored Lost Communication DTCS
When Monitored
Set Condition
Possible Causes
Diagnostic Test