Golf L4-2.0L DSL Turbo (CJAA) (2010)
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Byte 4 Bit 0: Indicates readiness of NMHC Catalyst Monitor. 0 = complete.
Byte 4 Bit 1: Indicates readiness of NOx/SCR Aftertreatment Monitor. 1 = NOT COMPLETE.
Byte 4 Bit 2: Currently not used on diesel vehicles.
Byte 4 Bit 3: Indicates Boost Pressure System Monitor readiness. 0 = complete.
Byte 4 Bit 4: Currently not used on diesel vehicles.
Byte 4 Bit 5: Exhaust Gas Sensor Monitor readiness. 0 = complete.
Byte 4 Bit 6: Indicates Diesel Particle Filter Monitoring readiness. 0 = complete.
Byte 4 Bit 7: EGR/VVT System Monitor readiness. 0 = complete.
Quick Reference Table
Future VAS 5052, 61 50/GFF software will be able to correctly display OBD system readiness status.
1. To check the correct status of OBD readiness, refer to MVB 89 and the supplemental information in the Technical Background section.
2. If any OBD system indicates incomplete monitoring ("1" shown in Byte 4) with no DTCs stored in the ECM, no repair is necessary.
3. The vehicle requires additional driving to complete the OBD readiness checks. Drive the vehicle until all applicable monitoring systems indicate
complete readiness before attempting emissions testing.
Warranty
Information Only.
Required Parts and Tools
No Special Parts Required.
All part and service references provided in this Technical Bulletin are subject to change and/or removal.
Always check with your Parts Dept. and Repair Manuals for the latest information.
