Category: Diagnostic Tips

“Gen 2” & “Gen 2.1” Operating Tips – 2015-2017 Subaru with Fujitsu TEN (F10)

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NUMBER: 15-177-14R
DATE: 10/16/14
REVISED: 05/18/16

 

APPLICABILITY: All 2015-17MY Vehicles with Fujitsu TEN (F10) 7in. Multimedia Navigation (AVN) & Display Audio Units
SUBJECT: “Gen 2” & “Gen 2.1” Operating Tips

 

INTRODUCTION:

This bulletin provides information to help diagnose and address different conditions relating to customer concerns which may arise when operating the new-generation “Gen 2” and “Gen 2.1” F10 Navigation and Display Audio systems. We will continue to add more helpful tips to this TSB as they become available.

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Reprogramming File Availability for Oil Level Detection – 2014-2015 Subaru Forester 2.5L

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NUMBER: 11-148-14R
DATE: 10/28/14
REVISED: 03/25/15

 APPLICABILITY: 2014-15MY Forester 2.5L NA Models
SUBJECT: Reprogramming File Availability for Oil Level Detection

 

INTRODUCTION

This bulletin announces the availability of reprogramming files and a revised oil level switch to optimize the ECM logic for engine oil level detection in the event of false or premature low engine oil level warning lamp illumination.  Should a customer present a concern with a low engine oil warning lamp illumination and the diagnosis indicate the oil level is full or nearly full (oil level between the full and add marks/holes on the dipstick) and the customer has not added any engine oil, the ECM must be updated with this new logic and the oil level switch replaced.  The new oil level switch part number supplied in this bulletin must be used.  If the customer has added oil, determine how much was added.  Based upon the information provided, estimate where the oil level was when the lamp illuminated in order to determine if additional action is required beyond what is described in this bulletin (e.g an oil consumption test).  The ECM must still be updated with this new logic and the oil level switch replaced.

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Reprogramming File Availability for Oil Level Detection – 2012 Subaru Impreza 2.0L

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NUMBER: 11-150-14R
DATE: 12/01/14
REVISED: 09/10/15

APPLICABILITY: 2012MY Impreza 2.0L NA Models
SUBJECT: Reprogramming File Availability for Oil Level Detection

 

INTRODUCTION

NOTE:  The information in this bulletin was originally part of TSB 11-149-14 but has been separated out into this publication to simplify applicability and the corresponding service procedure.

This bulletin announces the availability of reprogramming files to optimize the ECM logic for engine oil level detection in the event of false or premature low engine oil level warning lamp illumination.  Should a customer present a concern with a low engine oil warning lamp illumination and the diagnosis indicate the oil level is full or nearly full (oil level between the full and add marks/holes on the dipstick) and the customer has not added any engine oil, the ECM must be updated with this new logic.  NOTE:  On 5MT models ONLY, the oil level switch must also be replaced.  If the customer has added oil, determine how much was added.  Based upon the information provided, estimate where the oil level was when the lamp illuminated in order to determine if any additional action is required beyond what is described in this bulletin (e.g  an oil consumption test).

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DTC P0456 / Clamps Added to Canister Purge Control Solenoid Valve Hose – 2015 Subaru Legacy & Outback with 3.6L Engine

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NUMBER: 11-152-14
DATE: 12/15/14

 

APPLICABILITY: 2015MY Legacy and Outback Models Equipped with 3.6L Engine
SUBJECT: DTC P0456 / Clamps Added to Canister Purge Control Solenoid Valve Hose

 

INTRODUCTION

This bulletin announces a production change involving the addition of spring clamps to both ends of the canister purge control solenoid valve hose. In some cases, a small leak at these hose connections could result in a Check Engine Light (CEL) illumination with DTC P0456 stored in memory.

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Diagnostic procedures for P0851/P0852 – 2005-2008 Subaru

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NUMBER: 16-68-06
DATE: 10/09/06

APPLICABILITY: 2005~08MY Legacy, Outback, Impreza and Forester Vehicles Equipped with 4EAT
SUBJECT: Diagnostic procedures for P0851/P0852

 

INTRODUCTION

The purpose of this bulletin is to assist when diagnosing P0851 (Neutral Switch Input Circuit Low) and P0852 (Neutral Switch Input Circuit High). If you encounter a vehicle with P0851 and/or P0852, use the following repair procedure.

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