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Passat B7 2.0TDI CFGB CAN problem
05-03-2019, 12:35 PM,
Post: #1
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Passat B7 2.0TDI CFGB CAN problem
Hi.
I have a problem with Passat B7 2.0TDI engine CFGB 2011' Car suddenly won't start. I connect VCDS and Gateway scan shows that only engine is unavailable to connet. I have checked connections: CAN, GND, power suply. When I reconnect battery engine will start for 2seconds and stops (normal immo is blocking) is seems that there is no comunication engine - dashboard because when engine starts RPM meter isn't working. I have make clone and changed GATWAY and ECU to another and there is still no response from ECU. Now automatic scan shows that egine ABS gearbox and EPS is unavailable but when i try to coneect manyaly only engine is silent - no connection. Any ideas??? |
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05-03-2019, 17:06 PM,
(This post was last modified: 05-03-2019, 17:10 PM by dil6222.)
Post: #2
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RE: Passat B7 2.0TDI CFGB CAN problem
(05-03-2019, 12:35 PM)gelomeloman Wrote: Hi. Hello test the can wiring from socket to socket that connect to ecu immo dash etc sounds like a break in can wiring but can't be sure without testing. If mine or others posts and info are helpful please give thanks/rep
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06-03-2019, 07:14 AM,
Post: #3
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RE: Passat B7 2.0TDI CFGB CAN problem
CAN from ECU is OK. I have tested that at first time. Connections are together with gearbox ABS and EPS - god shape and electrical with no damages.
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06-03-2019, 09:07 AM,
Post: #4
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RE: Passat B7 2.0TDI CFGB CAN problem
(05-03-2019, 17:06 PM)dil6222 Wrote:(05-03-2019, 12:35 PM)gelomeloman Wrote: Hi. (06-03-2019, 07:14 AM)gelomeloman Wrote: CAN from ECU is OK. I have tested that at first time. Connections are together with gearbox ABS and EPS - god shape and electrical with no damages. Ok have you tested from dash and immo to ecu ? if the wiring ok then must be faulty unit somewhere did you code new ecu with other units ? as would cause non start immo issue If mine or others posts and info are helpful please give thanks/rep
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