NHTSA ID Number: 10187308
Manufacturer Communication Number: 07-112-16R
Summary
This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits.
NUMBER: 07-112-16R
DATE: 08/12/16
REVISED: 08/08/17
| APPLICABILITY: | 2014-16MY Forester 2.5L Models |
|---|---|
| SUBJECT: | New Alternator Assembly to Address DTC P0300 |
INTRODUCTION:
This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits.
PRODUCTION CHAGE INFORMATION
The new alternator and tensioner were incorporated into production starting with VIN: G*544643.
PART INFORMATION:
| Description | Part Number |
|---|---|
| ALTERNATOR ASSEMBLY | 23700AB030 |
| TENSR AY-VBELT | 23769AA05A  |
IDENTIFICATION:
SERVICE PROCEDURE / INFORMATION:
- Connect the SSM4 and inspect for stored DTC(s).
- If any DTC(s) other than P0300 are stored, follow the corresponding diagnostic procedure(s) in the applicable Service Manual before proceeding further with these repairs.
- Select the data for Roughness Monitor and Battery Current values.
- Check for any increase in the Roughness Monitor value along with the Battery Current value. If a fluctuation of more than +/- 3A is confirmed, both the alternator assembly and belt tensioner assembly must be replaced as a set with the new parts listed in the table above.
The reference illustrations below show examples of “Normal” and “Abnormal” SSM4 data.
The abnormalities shown above for the Roughness Monitor and Battery Current Value are a result of resonance originating in the alternator pulley assembly. Although a DTC P0300 can also be set, there is not an actual misfire of the engine.
- When determined necessary to replace the alternator and tensioner, follow the service procedures in the applicable Service Manual.
NOTES:
- The retaining bolt cover / plug has been deleted from the new tensioner, discard the original.
- Accessory drive belt replacement is NOT required as part of this repair.
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| SUBARU | FORESTER | 2014-2016 |
1 Associated Document
Manufacturer Communications
NUMBER: 07-112-16R
DATE: 08/12/16
REVISED: 08/08/17
https://www.nhtsa.gov/recalls?nhtsaId=10187308
MC-10187308-0001.pdf 423.629KB
MC-10187308-0001
NHTSA ID Number: 10117541
Manufacturer Communication Number: 07-112-16R
Summary
2.5L MODELS ONLY. This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits.
1 Associated Document
Manufacturer Communications
NUMBER: 07-112-16R
DATE: 08/12/16
REVISED: 08/08/17
https://www.nhtsa.gov/recalls?nhtsaId=10117541
MC-10117541-9999.pdf 423.629KB
MC-10117541-9999
NHTSA ID Number: 10120993
Manufacturer Communication Number: 07-112-16R
Summary
New Alternator Assembly. This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits.
1 Associated Document
Manufacturer Communications
NUMBER: 07-112-16R
DATE: 08/12/16
REVISED: 11/08/16
https://www.nhtsa.gov/recalls?nhtsaId=10120993
MC-10120993-9999.pdf 414.986KB
MC-10120993-9999
NHTSA ID Number: 10182588
Manufacturer Communication Number: 711216
Summary
This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator?s current output outside of the specified limits.
1 Associated Document
Manufacturer Communications
NUMBER: 07-112-16
DATE: 08/12/16
https://www.nhtsa.gov/recalls?nhtsaId=10182588
MC-10182588-9999.pdf 414.236KB
MC-10182588-9999
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Last update on 2023-05-19 / Affiliate links / Images from Amazon Product Advertising API
This product was presentation was made with AAWP plugin.
SEOCONTENT-START
Bulletin Number: 07-112-16R; Revised: 08/08/17 Page 1 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: 07-112-16R DATE: 08/12/16 REVISED: 08/08/17 APPLICABILITY: 2014-16MY Forester 2.5L Models SUBJECT: New Alternator Assembly to Address DTC P0300 INTRODUCTION: This bulletin provides a procedure for diagnosis and repair of DTC P0300 which may result from fluctuation of the alternator’s current output outside of the specified limits. PRODUCTION CHAGE INFORMATION The new alternator and tensioner were incorporated into production starting with VIN: G*544643. PART INFORMATION: IDENTIFICATION: NEW: Silver belt surface of pulley OLD: Black belt surface of pulley NEW: Top portion appearance changed and retaining bolt cap deleted. OLD: 3 slots in top portion Description Part Number ALTERNATOR ASSEMBLY 23700AB030 TENSR AY-VBELT 23769AA05A SERVICE 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. © 2016 Subaru of America, Inc. All rights reserved. Bulletin Number: 07-112-16R; Revised: 08/08/17 Page 2 Continued… SERVICE PROCEDURE / INFORMATION: • Connect the SSM4 and inspect for stored DTC(s). • If any DTC(s) other than P0300 are stored, follow the corresponding diagnostic procedure(s) in the applicable Service Manual before proceeding further with these repairs. • Select the data for Roughness Monitor and Battery Current values. • Check for any increase in the Roughness Monitor value along with the Battery Current value. If a fluctuation of more than +/- 3A is confirmed, both the alternator assembly and belt tensioner assembly must be replaced as a set with the new parts listed in the table above. The reference illustrations below show examples of “Normal” and “Abnormal” SSM4 data. Bulletin Number: 07-112-16R; Revised: 08/08/17 Page 3 The abnormalities shown above for the Roughness Monitor and Battery Current Value are a result of resonance originating in the alternator pulley assembly. Although a DTC P0300 can also be set, there is not an actual misfire of the engine. • When determined necessary to replace the alternator and tensioner, follow the service procedures in the applicable Service Manual. NOTES: • The retaining bolt cover / plug has been deleted from the new tensioner, discard the original. • Accessory drive belt replacement is NOT required as part of this repair. WARRANTY / CLAIM INFORMATION: For vehicles within the Basic New Car Limited Warranty period or covered by an active Subaru Added Security Classic or Gold plan, this repair may be submitted using the following claim information: Labor Description Labor Operation # Labor Time Fail Code FORESTER ALTERNATOR REPLACEMENT for DTC P0300 A812-234 0.7 FCP-42 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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