2006 Subaru B9 Tribeca Engine Problems
- Complaints
- 5about this part
- Share
- 6%of 84 total for the year
- Median mileage
- 185,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine of the 2006 Subaru B9 Tribeca, 6% of the 84 complaints for this model year. Where a mileage was given, the median is 185,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Faulty and or deficient part: 'pipe oil cooler' part # 21328aa121 (part is a 11 x 3/4 (thin) metal tube that connects from lower driver's side of the engine, traverses the underside of the engine and connects to the base of the oil filter mount through the use of rubber hoses that transports engine coolant.) vehicle was observed to be overheating. …”
NHTSA complaint #10544145, filed 2013-09, 79,000 miles“I was driving vehicle ima city street and vehicle unexpectedly turned off. Tried to turn on the car again and it ran but once again unexpectedly turned off.”
NHTSA complaint #11316021, filed 2020-03, 220,000 miles“The contact owns a 2006 Subaru B9 Tribeca. The contact stated while driving 30 mph, the vehicle loss motive power and was unable to be restarted. The contact stated that several unknown warning lights were illuminated. The vehicle was towed to the residence but was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 280,000.”
NHTSA complaint #11423228, filed 2021-07, 280,000 miles“The contact owns a 2006 Subaru B9 TRIBECA. The contact stated that while driving 50 MPH, the vehicle loss motive power and stalled. The contact pulled off of the roadway. The vehicle was towed to an independent mechanic to be diagnosed. The contact was informed that the failure was with the electronic control module. The dealer was not made aware of the failure. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was 150,000.”
NHTSA complaint #11352535, filed 2020-09, 150,000 milesRelated service bulletins
- 11027982Jan 12, 2026This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
- 11027083Dec 8, 2025This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).
- 11022305Aug 11, 2025Subaru Service Technical Support Newsletter special edition.
- 11017452Apr 22, 2025This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
- 11016224Mar 24, 2025The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.
- 11008282Sep 27, 2024This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
- 11008281Sep 26, 2024This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
- 11008267Sep 17, 2024This bulletin announces availability of the NEW genuine Subaru engine oil filter.
- 11006934Aug 5, 2024The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
- 11005608Jul 11, 2024This thermo control valve video contains information on the replacement of thermo control valve.
Engine: other model years
Other parts of the 2006 Subaru B9 Tribeca
27 complaintsAir bags
18 complaintsElectrical system
13 complaintsExterior lighting
12 complaintsVisibility (wipers, defrost, mirrors)
11 complaintsBrakes
8 complaintsOther or unknown
5 complaintsLatches, locks and linkages
4 complaintsElectronic stability control
3 complaintsEngine cooling
2 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaints
← All problems reported for the 2006 Subaru B9 Tribeca
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology