Diagnostics for DTC B1500 and U1500 – 2014-2015 Subaru

NUMBER: 07-83-14
DATE: 03/12/14

 

SERVICE  INFORMATION

APPLICABILITY: All 2014-15MY Forester, Impreza, XV Crosstrek
2015MY WRX & STI Models
SUBJECT: Diagnostics for DTC B1500 and U1500

 

 

INTRODUCTION

This bulletin provides information currently missing from the Service Manual for diagnosing Body Integrated Unit (BIU) DTCs B1500 and U1500 (Keyless UART Communication Malfunction on the push-button start vehicles) as listed above.  Diagnostics are included in the current version of the Service Manual for DTC U1500 but only for key-start vehicles.  The Service Manuals will be updated to include this information in the near future.

IMPORTANT NOTE:  DTC U1500 is only applicable to 2015 WRX & STI Models while B1500 is only applicable to 2014-15MY Forester, Impreza, XV Crosstrek (including Hybrid model).

(UART= Universal Asynchronous Receiver Transmitter)

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DTC B1500 and Fuel Level Sensor Replacement Procedures – 2012-2016 Subaru

NUMBER: 09-63-16
DATE: 02/05/16

APPLICABILITY: 2015-16MY Legacy and Outback
2014-16MY Forester
2012-16MY Impreza 2.0L Models
2013-16MY XV Crosstrek
2015-16MY WRX and STI Models
SUBJECT: DTC B1500 and Fuel Level Sensor Replacement Procedures

 

INTRODUCTION

This Service Information bulletin serves as a reminder to always follow the proper procedures when diagnosis of a DTC B1500 leads to replacement of a faulty main and / or sub fuel level sensor.

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