NHTSA ID Number: 10232240
Manufacturer Communication Number: 16-131-20R
Summary
This Service Information Bulletin provides an updated diagnostic flow along with an IMPORTANT caution to follow for certain CVT solenoid related DTCs as listed.
NUMBER: 16-131-20
DATE: 11/09/2020
REVISED: 02/28/23
| APPLICABILITY: | 2010-20MY Legacy and Outback 2012-20MY Impreza 2012-20MY Crosstrek 2013-20MY Forester 2015-20MY WRX  2019-20MY Ascent |
| SUBJECT: | Updated CVT Diagnostics for DTCs: P0962, P0966, P0970, P0973, P0976, P2720, P2729, P2764, P2769, P0963, P0967, P0971, P0974, P0977, P2721, P2730, P2763 and P2770 |
INTRODUCTION:
This Service Information Bulletin provides an updated diagnostic flow along with an IMPORTANT caution to follow for certain CVT solenoid related DTCs as listed below. “GENERIC” service procedures are provided in the screenshots below but, the specific connector and terminal numbers have been left out as they will vary from vehicle to vehicle.
VERY IMPORTANT: The following charts are not intended to replace the applicable Service Manual diagnostic steps. They are intended to be used as a GENERIC guide for Technician reference and include an IMPORTANT caution for a proper diagnostic approach. ALWAYS USE THE APPLICABLE SERVICE MANUAL FOR DETAILED DIAGNOSTIC PROCEDURES.
SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
There are two sets of corrected / updated diagnostics based on the TCM location in the vehicle:
- Group “A”: For vehicles where the Transmission Control Module (TCM) is located either inside the cabin or in the engine compartment.
- Group “B”: For use when the TCM is located inside the transmission assembly itself.
For both sets of diagnostics, there are 2 groups of DTCs associated with each, “LOW” and “HIGH”.
- LOW DTCs: P0962, P0966, P0970, P0973, P0976, P2720, P2729, P2764 and P2769
- HIGH DTCs: P0963, P0967, P0971, P0974, P0977, P2721, P2730, P2763 and P2770.
Four diagnostic charts are provided below:
1) Use for Group A vehicles with LOW DTCs
2) Use for Group A vehicles with HIGH DTCs
3) Use for Group B vehicles with LOW DTCs
4) Use for Group B vehicles with HIGH DTCs
VERY IMPORTANT: Always note the results of each troubleshooting step as it is completed. These notes are required as part of any repair claim. Where applicable, always note the CVTF temperature when the specified check is completed.
1) Diagnostic Chart for use in diagnosing Group A vehicles with LOW DTCs:
2) Diagnostic Chart for use in diagnosing Group A vehicles with HIGH DTCs:
3) Diagnostic Chart for use in diagnosing Group B vehicles with LOW DTCs:
4) Diagnostic Chart for use in diagnosing Group B vehicles with HIGH DTCs:
55 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| SUBARU | ASCENT | 2019-2020 |
| SUBARU | CROSSTREK | 2013-2020 |
| SUBARU | FORESTER | 2013-2020 |
| SUBARU | IMPREZA | 2012-2020 |
| SUBARU | LEGACY | 2010-2020 |
| SUBARU | OUTBACK | 2010-2020 |
| SUBARU | WRX | 2015-2020 |
1 Associated Document
Manufacturer Communications
NUMBER: 16-131-20R
DATE: 11/09/2020
REVISED: 02/28/23
MC-10232240-0001.pdf 482.057KB
NHTSA ID Number: 10198765
Manufacturer Communication Number: 16-131-20R
Summary
This bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
1 Associated Document
Manufacturer Communications
NUMBER: 16-131-20R
DATE: 11/09/2020
REVISED: 06/23/2021
MC-10198765-0001.pdf 1220.027KB
NHTSA ID Number: 10183714
Manufacturer Communication Number: 16-131-20
Summary
This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs.
1 Associated Document
Manufacturer Communications
NUMBER: 16-131-20
DATE: 11/09/2020
MC-10183714-0001.pdf 1197.925KB
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SEOCONTENT-START
Bulletin Number: 16-131-20R; Revised: 02/28/23 Page 1 of 5 Continued… CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. NUMBER: 16-131-20R DATE: 11/09/2020 REVISED: 02/28/23 APPLICABILITY: 2010-20MY Legacy and Outback 2012-20MY Impreza 2012-20MY Crosstrek 2013-20MY Forester 2015-20MY WRX 2019-20MY Ascent SUBJECT: Updated CVT Diagnostics for DTCs: P0962, P0966, P0970, P0973, P0976, P2720, P2729, P2764, P2769, P0963, P0967, P0971, P0974, P0977, P2721, P2730, P2763 and P2770 INTRODUCTION: This Service Information Bulletin provides an updated diagnostic flow along with an IMPORTANT caution to follow for certain CVT solenoid related DTCs as listed below. “GENERIC” service procedures are provided in the screenshots below but, the specific connector and terminal numbers have been left out as they will vary from vehicle to vehicle. VERY IMPORTANT: The following charts are not intended to replace the applicable Service Manual diagnostic steps. They are intended to be used as a GENERIC guide for Technician reference and include an IMPORTANT caution for a proper diagnostic approach. ALWAYS USE THE APPLICABLE SERVICE MANUAL FOR DETAILED DIAGNOSTIC PROCEDURES. SERVICE PROCEDURE / INFORMATION: REMINDER: Customer satisfaction and retention starts with performing quality repairs. There are two sets of corrected / updated diagnostics based on the TCM location in the vehicle: • Group “A”: For vehicles where the Transmission Control Module (TCM) is located either inside the cabin or in the engine compartment. • Group “B”: For use when the TCM is located inside the transmission assembly itself. For both sets of diagnostics, there are 2 groups of DTCs associated with each, “LOW” and “HIGH”. • LOW DTCs: P0962, P0966, P0970, P0973, P0976, P2720, P2729, P2764 and P2769 SERVICE INFORMATION BULLETIN ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. ©2020 Subaru of America, Inc. All rights reserved. Bulletin Number: 16-131-20R; Revised: 02/28/23 Page 2 of 5 Continued… • HIGH DTCs: P0963, P0967, P0971, P0974, P0977, P2721, P2730, P2763 and P2770. Four diagnostic charts are provided below: 1) Use for Group A vehicles with LOW DTCs 2) Use for Group A vehicles with HIGH DTCs 3) Use for Group B vehicles with LOW DTCs 4) Use for Group B vehicles with HIGH DTCs VERY IMPORTANT: Always note the results of each troubleshooting step as it is completed. These notes are required as part of any repair claim. Where applicable, always note the CVTF temperature when the specified check is completed. 1) Diagnostic Chart for use in diagnosing Group A vehicles with LOW DTCs: Bulletin Number: 16-131-20R; Revised: 02/28/23 Page 3 of 5 Continued… 2) Diagnostic Chart for use in diagnosing Group A vehicles with HIGH DTCs: Is the resistance under 1 Ohm? Bulletin Number: 16-131-20R; Revised: 02/28/23 Page 4 of 5 Continued… 3) Diagnostic Chart for use in diagnosing Group B vehicles with LOW DTCs: Bulletin Number: 16-131-20R; Revised: 02/28/23 Page 5 of 5 4) Diagnostic Chart for use in diagnosing Group B vehicles with HIGH DTCs: IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs.
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