Honda had issued a warranty extension for the following vehicles which included the 7th Generation Accord Affected Honda cars are Chassis Code CN1,CN2,EV1,RD8,RD9 Model Accord Saloon 7thge,Accord Tourer 7th Generation,Civic 5 Doors,CR-V Petrol,CR-V i-CTDi Year Model 05,06,07,08 Symptom VSA light on, you must not get confused with the wheel sensors, the only way to determine if this code is stored on the ECU is by taking it to your Honda dealer or using a aftermarket reader which will interrogate the ABS and other sub systems. Normal generic reader may not pick up the DTC 66-1 code. Cause Open circuit in the VSA modulator pressure sensor due to a production fault at the supplier.The units are joint made by ATE and Bosch and countermeasure have been applied to the new modified parts The Fix Pressure sensor production has been modified by the vendor, the only solution is to replace the VSA modulator based on your chassis code. So you get the correct part for your car give the Honda dealer your VIN number so they can give you one of these revised VSA modules. Part Number 57110-S6E-G51 57110-S9A-961 57110-S9A-G01 57110-SEF-E56 57110-SEF-E61 57110-SEG-E55 57110-SEG-E61 57110-SKN-G01 The Warranty Information Application: Warranty extension +3 years; mileage up to 62,000 miles. Higher mileage car normally get their claims declined as per this TSB guidelines. Buyers TIP Majority of the 7th Generation Accord diesel will be outside the remit of these TSB guidelines for extended warranty, so it is important to know when buying the car if this work has been done. It is known to be common knowledge a high percentage of diesels Accord will suffer this issue in their lifetime. There are a decent percentage of high mileage Accords out there that haven't had this issue at all and are still running the original VSA module fitted from the factory. To replace a VSA modulator outside warranty is in the excess of a £1000.00 at Honda dealers, so please ask and do your homework before buying your Diesel Accord and the other Honda affected by this issue.