YearToAvoid

2006 Scion XB Engine Problems

NHTSA has 34 owner complaints about engine problems in the 2006 Scion XB, 13% of all 253 complaints for this model year. That is #2 highest engine complaint count among 11 XB model years. These complaints report 7 crashes and 3 injuries. Median mileage at failure: 51,709 miles.

Engine complaints
34
13% of 253
Crashes reported
7
Fires reported
0
Injuries reported
3
Median mileage
51,709 mi
Related recalls
2

When 2006 Scion XB engine complaints were filed

First complaint Mar 14, 2007, latest Jan 25, 2023.

2006 Scion XB engine complaints: complaints filed per month6Mar 2007Dec 2009Jun 2010Mar 2012Jan 2015Feb 2017Oct 2018
34 complaints filed with NHTSA from Mar 2007 to Jan 2023; peak Feb 2010 (6).

Engine recalls for the 2006 Scion XB

  1. NHTSA 07V048000Feb 12, 2007Engine716 vehicles

    Vehicle speed control

    Certain rostra precision controls' speed controls may have a faulty module. These controls were installed by southeast toyota dealers or at their vehicle processing center on certain passenger vehicles. When the speed control "on/off" switch is pressed once to turn the unit off, the throttle does not return to idle. When the "on/off" switch is pressed a second time, the throttle will return to idle.

    Risk: A crash could be cause in the event that the cruise control does not allow the engine to return to idle on the first depression of the "on/off" switch.

    Remedy: Dealers will inspect and/or replace the speed control module. The recall began on february 28, 2007. Owners may contact southeast toyota at 1-800-301-6859.

  2. NHTSA 07V030000Feb 1, 2007Engine1,372 vehicles

    Vehicle speed control:cruise control

    Certain rostra precision controls' speed controls may have a faulty module. These controls were installed by gulf states toyota (gst) dealers or at their vehicle processing center on certain passenger vehicles. When the speed control "on/off" switch is pressed once to turn the unit off, the throttle does not return to idle. When the "on/off" switch is pressed a second time, the throttle will return to idle.

    Risk: A crash could be cause in the event that the cruise control does not allow the engine to return to idle on the first depression of the "on/off" switch.

    Remedy: Dealers will inspect and/or replace the speed control module. The recall began on march 7, 2007. Owners may contact gst at 1-800-444-1074.

Engine complaints by XB model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200520 (22%)
  2. 200634 (13%)
  3. 20071 (33%)
  4. 200856 (17%)
  5. 200934 (24%)
  6. 201010 (18%)
  7. 20119 (17%)
  8. 20129 (20%)
  9. 20134 (31%)
  10. 20143 (33%)
  11. 20152 (33%)

Frequently asked questions

Does the 2006 Scion XB have engine problems?
NHTSA has 34 owner complaints about the engine in the 2006 Scion XB, 13% of all complaints for this model year, including 7 that report a crash. Median mileage at failure is 51,709 miles.
Which Scion XB year has the most engine complaints?
The 2008 Scion XB has the most engine complaints (56), compared with 34 for the 2006.
Is there a engine recall for the 2006 Scion XB?
Yes — 2 NHTSA recall campaigns for the 2006 Scion XB concern the engine: 07V048000 and 07V030000.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.