Field Remedy: 1790
| Subject: | Engine Z19DT / Z19DTH - Poor drivability, steering wheel vibrations during DPF regeneration phase |
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| Models: | Engines: | Option: |
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| Vectra-C 2004,Signum 2004 | Z19DT| Z19DTH,Z19DT| Z19DTH | with DPF |
| Complaint: | Poor driveability, e.g. lack of power mostly during constant drive (Motorway 130 km/h), sometimes noticeable with steering wheel vibrations. |
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| Cause: | Due to a communication problem between the ECU and the throttle flap control unit the throttle flap will not reopen during the DPF duty cycle. |
| Production: | Modified software introduced as of MY 2005 in production. |
In case of customer complaint please reprogram ECU with TIS 2000 CD 55.
| FunctionalGroup: | J - Engine |
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| Complaint Group: | 18 - Poor Drivebility |
| Trouble Code: | None |
