TT 15-19-03
Service Bulletin Details
Public Details for: TT 15-19-03
Camshaft system diag
- 2019 - 2018 - 2017 - 2016 - 2015 -
Models from 2019
| 2019 VOLKSWAGEN BEETLE |
| 2019 VOLKSWAGEN BEETLE CONVERTIBLE |
| 2019 VOLKSWAGEN GTI |
| 2019 VOLKSWAGEN PASSAT |
| 2019 VOLKSWAGEN TIGUAN |
Models from 2018
| 2018 VOLKSWAGEN BEETLE |
| 2018 VOLKSWAGEN BEETLE CONVERTIBLE |
| 2018 VOLKSWAGEN GTI |
| 2018 VOLKSWAGEN PASSAT |
| 2018 VOLKSWAGEN TIGUAN |
Models from 2017
| 2017 VOLKSWAGEN GTI |
Models from 2016
| 2016 VOLKSWAGEN GTI |
Models from 2015
| 2015 VOLKSWAGEN GTI |
Technical Tip 15-19-03TT - Diagnostic Aid for Camshaft Shift Actuator Transaction No: 2057833/1 Release date: 11/22/2019 Condition ATTENTION: THIS IS A TECH TIP, NOT A TECHNICAL BULLETIN. TECH TIPS ARE NOT ASSOCIATED WITH WARRANTY CLAIMING. Applicable Vehicles Model(s) Year Eng. Code Trans. Code VIN Range From VIN Range To GTI 2015-2019 1.8L-2.0L (CXBA, CXBB,CXCA,CXCB) All All All Tiguan LWB, Passat, Beetle, Beetle Convertible, 2018-2019 2.0L (DGUA, DDSA,DDSB) All All All Revision Table Instance Number Published Date Version Number 2057833/1 11/22/19 15-19-XXTT Reason For Update Original publication. Technical Background Diagnostic aid for cam shift actuator mechanical failure and misfire diagnosis on B cycle engines with cam shift technology. Cam shift actuators, when mechanically malfunctioning can produce misfire faults due to resulting differences in air volume between cylinders. Electrical diagnosis of these actuators is relatively simple with each actuator receiving a constant 12V and ground side switching controlled by the ECM. They require approximately 3 amps to operate. If no circuit faults exist and misrouted actuator connectors can be ruled out, then a mechanical defect is a likely cause. 1 Technical Tip 15-19-03TT - Diagnostic Aid for Camshaft Shift Actuator Transaction No: 2057833/1 Release date: 11/22/2019 Actuators can fail for a variety of reasons such as: Binding actuator rod in the solenoid housing. Missing or stuck detent ball in movable cam pieces. Oil pressure issues resulting in actuator rod being stuck down in the movable cam piece groove. Any failure resulting in an actuator being left on a different cam profile than all the others will likely not set a fault at idle or even be detectable during a running compression test due to the relatively low RPM not obviously showing the difference in air volume. Typically, the misfire will be recorded on a higher load and RPM range. An examination of the actuators for physical defects or damage should be performed first and if found, look for corresponding damage to the camshaft and movable cam pieces. If there is no visible damage move both actuators to a different cylinder and drive the vehicle under the same conditions when the fault set. Returning faults following the actuators for that cylinder should result in actuator replacement. Additional Information © 2019 Volkswagen Group of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Volkswagen Group of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, nor may these materials be modified or reposted to other sites, without the prior expressed written permission of the publisher. 2