The 2006 Civic Hybrid is mechanically sound in its engine and conventional parts, but the IMA (Integrated Motor Assist) hybrid battery pack and CVT transmission are the two major failure points that define ownership costs and reliability after 100,000 miles.
IMA Battery Pack Failure
Common · high severity
Typical onset: 100,000-150,000 mi
Symptoms: IMA light illuminated on dash, Recalibration messages appearing frequently, Loss of power assist during acceleration, Battery charge gauge erratic or stuck at three bars, Poor fuel economy (drops from 40+ mpg to mid-30s)
Fix: Battery pack replacement is 3-4 hours labor. OEM Honda battery ($2,500-3,000) or aftermarket reconditioned pack ($1,200-1,800). Some owners opt for individual module replacement (20 modules total) for $500-800 plus 4-6 hours labor, but reliability is hit-or-miss. Grid charger maintenance ($200-300) can extend life if done early.
Estimated cost: $1,500-3,500
CVT Transmission Judder and Failure
Occasional · high severity
Typical onset: 120,000-180,000 mi
Symptoms: Shuddering or vibration during acceleration, especially 20-40 mph, Delayed engagement when shifting to Drive or Reverse, Whining or grinding noise from transmission area, Check engine light with P1768 or P0845 codes (pressure switch), Complete loss of forward gears in severe cases
Fix: Early-stage shudder often responds to CVT fluid change (3.5 quarts Honda HCF-2, $80-120 parts, 1 hour labor). Pressure switch replacement is 2 hours labor plus $150 part. Full CVT replacement is 8-10 hours labor plus $2,800-3,500 for remanufactured unit. Transmission oil cooler lines corrode and leak, causing contamination—inspect and replace preemptively ($200-350).
Estimated cost: $150-4,500
Engine Block Cracking (Rare but Catastrophic)
Rare · high severity
Typical onset: 80,000-140,000 mi
Symptoms: Coolant loss with no visible external leaks, White smoke from exhaust on cold start, Coolant in oil (milky dipstick) or oil in coolant, Overheating with no obvious cause, Misfire codes on cylinder 2 or 3 most common
Fix: 1.3L i-VTEC hybrid engine has documented block porosity issues causing internal coolant leaks. Head gasket replacement (8-10 hours labor, $800-1,200 parts) sometimes attempted first but often fails within 10,000 miles. Short block replacement is 16-20 hours labor plus $2,500-3,500 for parts. Engine rebuild with machine work runs $3,500-5,000 total. Some owners pursue Honda goodwill warranty extension—worth trying even out of warranty.
Estimated cost: $1,200-5,500
Engine Mount (Rear/Transmission) Failure
Common · medium severity
Typical onset: 80,000-120,000 mi
Symptoms: Excessive vibration at idle, especially with A/C on, Clunking when shifting into Drive or Reverse, Visible engine movement when revving in Park, Steering wheel shake during deceleration
Fix: Rear mount (transmission mount) most common failure point due to hybrid motor/CVT weight. Replacement is 1.5-2 hours labor plus $120-180 for OEM mount. Front and side mounts sometimes fail simultaneously—budget 3-4 hours labor to do all three ($400-600 total). Use OEM Honda mounts; aftermarket versions fail in 20,000-30,000 miles.
Estimated cost: $180-600
12-Volt Auxiliary Battery Failure
Common · medium severity
Symptoms: No crank, no start even with full IMA battery charge, IMA and check engine lights on with P1449/P1570 codes, Electrical accessories weak or intermittent, Car won't go into Ready mode, Battery warning light illuminated
Fix: The 12V battery (located in trunk, Honda Group 51R) powers computers and gets constantly charged/discharged by DC-DC converter. Fails every 3-5 years regardless of mileage. Not a standard-size battery—must be Honda or equivalent ($150-220). Replacement is DIY-friendly, 0.5 hours labor. Failing 12V can trigger false IMA codes and phantom electrical issues—always test this first before chasing hybrid system problems.
Estimated cost: $150-280
A/C Compressor Clutch Bearing Failure
Occasional · low severity
Typical onset: 90,000-150,000 mi
Symptoms: Grinding or squealing noise from front of engine, especially on startup, Noise disappears when A/C is turned on, A/C works but makes noise when disengaged, Serpentine belt wear or tracking issues
Fix: Electric A/C compressor (high-voltage driven) has mechanical clutch bearing that fails on pulley. Bearing-only replacement possible on some rebuilds ($200-350 parts/labor) but compressor replacement is more common: 2-3 hours labor plus $450-700 for remanufactured unit, plus $120-150 for refrigerant evacuation/recharge. Noise is annoying but doesn't affect cooling until bearing seizes completely.
Estimated cost: $250-900
Owner tips
Change CVT fluid every 30,000-40,000 miles with Honda HCF-2 only—aftermarket fluids cause judder and premature wear
Replace 12V auxiliary battery proactively every 4 years to avoid phantom electrical codes and no-start conditions
Use a grid charger ($300-400) on the IMA battery pack every 6-12 months after 80,000 miles to prolong pack life and delay $2,000+ replacement
Inspect transmission oil cooler lines for corrosion annually—leaking ATF into coolant destroys both systems ($3,000+ repair)
Monitor coolant level monthly; slow unexplained loss may indicate early block porosity—catch it before head gasket damage occurs
Buy only if battery has been recently replaced or budget $2,000-3,000 for IMA pack within first year—otherwise you're gambling on two expensive hybrid-specific systems with limited DIY repair options.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 19V502000
2019-06-27 · EA15001
Honda (American Honda Motor Co.) is recalling certain 2009-2014 Acura TSX, 2011-2014 TSX Sport Wagon, 2010-2013 ZDX, 2008-2012 Honda Accord, 2010-2011 Accord Crosstour, 2006-2011 Civic and Civic Hybrid, 2008-2010 Civic GX NGV, 2012-2015 Crosstour, 2007-2011 CR-V, 2009-2013 Fit, 2014 Fit EV, 2010-2014 Insight, and 2009-2015 Pilot vehicles.
The vehicles are equipped with passenger frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are F5F and Q5E.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 19V378000
2019-05-16
Honda (American Honda Motor Co.) is recalling certain 2009-2014 Acura TSX, 2011-2013 TSX Sport Wagon, and 2010-2012 ZDX and 2008-2012 Honda Accord, 2010-2011 Accord Crosstour, 2006-2011 Civic, Civic Hybrid and Civic NGV, 2012-2014 Crosstour, 2007-2011 CR-V, 2009-2013 Fit, 2010-2013 Insight, and 2009-2015 Pilot vehicles. The front passenger air bag inflator may have been installed incorrectly during replacement.
Consequence: An incorrectly installed air bag inflator may not properly deploy the passenger frontal air bag in the event of a crash, increasing the risk of injury.
Remedy: Honda will notify owners, and dealers will inspect the inflator installation and, if necessary, replace the passenger frontal air bag module assembly, free of charge. The recall began July 5, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are M4O, P4R, T4Q, and W4P.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 17V030000
2017-01-10 · EA15001
Honda (American Honda Motor Co.) is recalling certain 2009-2012 Acura TSX, 2011-2012 Acura TSX Wagon, 2010-2012 Acura ZDX, 2008-2012 Honda Accord, 2010-2012 Honda Accord Crosstour and Honda Insight, 2009-2012 Honda Fit, 2009-2012 Pilot, 2007-2011 Honda CR-V, 2012 Honda FCX Clarity and 2006-2011 Honda Civic, Civic Hybrid, Civic NGV vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A."
Additionally, if not included in "Zone A" above, Honda is recalling certain 2009 Acura TSX, Honda Fit and Pilot, 2008-2009 Honda Accord, 2006-2009 Civic, Civic Hybrid and Civic NGV, and 2007-2009 Honda CR-V vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B."
Additionally, if not included in "Zone B" above, Honda is recalling certain 2008 Honda Accord, 2006-2008 Honda Civic, Civic Hybrid and Civic NGV and 2007-2008 Honda CR-V vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming.
These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the front passenger side air bag inflator, free of charge. The manufacturer has mailed an interim notification, and will send a second notification when parts are available. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KE1 and KE2.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 16V346000
2016-05-24 · EA15001
Honda (American Honda Motor Co.) is recalling certain model year 2009-2011 Acura TSX, 2011 TSX Wagon, 2010-2011 Acura ZDX, 2008-2011 Honda Accord, 2010-2011 Accord Crosstour, 2006-2011 Civic, Civic Hybrid, and Civic GX, 2007-2011 CR-V, 2010-2011 FCX Clarity and Insight, and 2009-2011 Fit, and Pilot vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A."
Additionally, unless already included in "Zone A" above, Honda is recalling certain model year 2008 Honda Accord, 2006-2008 Civic, Civic Hybrid and Civic GX, and 2007-2008 CR-V vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B."
Vehicles not originally sold or ever registered in either Zones A or B are not subject to this safety recall.
These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the inflator, free of charge. The recall began March 2017. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall is KA4, KA5, KA6, and KA7.
ELECTRICAL SYSTEM · 11V106000
2011-03-02
HONDA IS RECALLING CERTAIN MODEL YEAR 2006-2007 HONDA CIVIC HYBRID VEHICLES. THERE IS A POTENTIAL FOR THE VOLTAGE CONVERTER THAT RELAYS POWER FROM THE INTEGRATED MOTOR ASSIST (IMA) SYSTEM TO THE VEHICLE'S ELECTRICAL COMPONENTS TO FAIL.
Consequence: THIS FAILURE WILL CAUSE THE HEADLIGHTS TO TURN OFF, THE ENGINE TO STALL, AND PREVENT THE VEHICLE FROM BEING RESTARTED, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE VOLTAGE CONVERTER FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 25, 2011. OWNERS MAY CONTACT HONDA CUSTOMER SERVICE AT 1-800-999-1009 A SELECT OPTION 4.
ENGINE AND ENGINE COOLING:ENGINE · 07V034000
2007-02-08
ON CERTAIN PASSENGER VEHICLES, CERTAIN PARTS OF THE INTEGRATED MOTOR ASSIST (IMA) SYSTEM ARE LOCATED UNDER A METAL COVER BEHIND THE REAR SEAT-BACK. OVER TIME THE WEIGHT OF REAR SEAT PASSENGERS MAY CAUSE THE METAL COVER TO COME INTO CONTACT WITH A RUBBER CAP COVERING AN ELECTRICAL TERMINAL. THE RUBBER CAP MAY GET PINCHED, EXPOSING THE ELECTRICAL TERMINAL.
Consequence: THE TERMINAL MAY COME INTO CONTACT WITH THE METAL COVER, WHICH CAN RESULT IN AN ELECTRICAL SHORT THAT MAY BLOW THE IMA FUSE. A BLOWN FUSE WILL CAUSE THE ENGINE TO STALL, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSTALL A PLASTIC COVER ATTACHED TO A METAL BRACKET OVER THE RUBBER CAP. THE RECALL BEGAN ON FEBRUARY 26, 2006. OWNERS MAY CONTACT HONDA AT 1-800-999-1009.
ON CERTAIN PASSENGER VEHICLES AND MOTORCYCLES, THE OWNER'S MANUALS CONTAIN INCORRECT CONTACT INFORMATION FOR THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S (NHTSA) VEHICLE SAFETY HOTLINE.
Consequence: THE LANGUAGE IN THE OWNER'S MANUALS IS NOT IN ACCORDANCE WITH THE CURRENT MANDATORY REQUIREMENTS.
Remedy: HONDA WILL SEND A POSTCARD TO DEALERS AND OWNERS WITH THE CORRECT NHTSA VEHICLE SAFETY HOTLINE INFORMATION AND WITH INSTRUCTIONS TO INSERT THE CARD INTO THE "REPORTING SAFETY DEFECTS" SECTION OF THE OWNER'S MANUAL. THE RECALL BEGAN ON AUGUST 2, 2006. OWNERS MAY CONTACT HONDA AT 1-800-999-1009, ACURA AT 1-800-382-2238 OR HONDA MOTORCYCLES AT 1-866-784-1870.
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