VehicleVerdict

2006 Toyota Highlander Hybrid engine problems

The 2006 Toyota Highlander Hybrid has 53 engine complaints filed with NHTSA — 11% of the year's total, and the first year with meaningful reports in this category.

53

Engine complaints

11%

Share of year

2

Crash-involved

1

Related recalls

Engine complaints by year

Highlander Hybrid engine complaints by model year53 complaints2006: 53 complaints2007: 11 complaints2008: 13 complaints2009: 5 complaints2010: 4 complaints2011: 1 complaints2015: 1 complaints2017: 2 complaints2018: 1 complaints2019: 2 complaints2022: 2 complaints
Highlander Hybrid engine complaints by model year. Red bars are years to avoid.

Related recalls

11V539000EngineNovember 9, 2011 · 420,326 units

Defect

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2004 AVALON VEHICLES; 2004 AND 2005 CAMRY, CAMRY SOLARA, HIGHLANDER, AND SIENNA VEHICLES, 2006 HIGHLANDER HYBRID; 2004 AND 2005 LEXUS ES330 AND RX330; AND 2006 LEXUS RX400H VEHICLES MANUFACTURED FROM JUNE 1, 2004 THROUGH MARCH 31, 2005, EQUIPPED WITH THE 1MZ-FE OR 3MZ-FE ENGINE. THE AMOUNT OF ADHESIVE AGENT APPLIED BETWEEN THE OUTER RING AND THE TORSIONAL RUBBER DAMPER (INNER RING) IN THE CRANKSHAFT PULLEY MAY BE INADEQUATE. IF THE ADHESIVE IS INSUFFICIENT, THERE IS A POSSIBILITY THAT THE OUTER RING MAY BECOME MISALIGNED AND IT MAY NOT PROPERLY ROTATE WITH THE INNER RING, CAUSING NOISE AND/OR ILLUMINATION OF THE BATTERY DISCHARGE INDICATOR LIGHT.

Consequence

IN SOME CASES, THE BELT FOR THE POWER STEERING PUMP MAY BECOME DETACHED FROM THE PULLEY WHICH COULD RESULT IN A LOSS OF POWER STEERING AND A SUDDEN INCREASE IN STEERING EFFORT, INCREASING THE RISK OF A CRASH.

Remedy

TOYOTA WILL NOTIFY OWNERS, AND DEALERS WILL CHECK THE CRANKSHAFT PULLEY TO IDENTIFY WHETHER IT WAS PRODUCED BY THE U.S. SUPPLIER. IF SO, THE DEALER WILL REPLACE THE PULLEY WITH A NEW ONE AT NO CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING EARLY JANUARY 2012. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

What owners report

THERE WAS FIRE IN THE INVERTER ASSEMBLY. THE WIRING HARNESS FOR THE INVERTER AND THE TRANSMISSION WERE COMPLETELY COOKED AND MELTED. THE PROFESSIONAL OPINION OF A TOYOTA NATIONAL ENGINEER IS THAT THE GENERATOR IN THE TRANS AXLE SURGED AND CAUSED A FIRE MELTING THE COMPONENTS. HOW CAN THIS GO…

Complaint filed with NHTSA · Engine · May 14, 2014 · fire

Common questions

How many engine complaints does the 2006 Toyota Highlander Hybrid have?

NHTSA has 53 complaints about the 2006 Toyota Highlander Hybrid engine — 11% of all complaints filed for that model year.

Are there recalls for the 2006 Toyota Highlander Hybrid engine?

Yes — 1 NHTSA recall campaign for this model year is tied to the engine: 11V539000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.