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Eric, Automotive Repair Shop Manager
Category: Volvo
Satisfied Customers: 31934
Experience:  20+ yrs. experience as repair shop manager and technician.
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I change the tcm & reset it on my computer snap-on is still

Customer Question

Customer: i change the tcm & reset it on my computer snap-on is still pull po863 any info
JA: Thanks. Can you give me any more details about your issue?
Customer: it 2002 volvo s60 with po863 car runs good & also it has po705
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Submitted: 1 year ago.
Category: Volvo
Expert:  Eric replied 1 year ago.


I am sorry that you have not been helped yet. I just came online and saw your question

The P0705 is for the gearshift position sensor. The P0863 is a communication fault between the ecm and tcm. This may be in the CAN network, or a faulty ecm. You really need a VIDA scan tool to diagnose this