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Prius Tech Tip: Parking Brake Warning Light Stays Illuminated After the Parking Brake Pedal is Released

February 9, 2009

Models: 2004 –2007 Prius

Some 2004 – 2007 model year Prius owners may complain that the Parking Brake Warning Light stays illuminated after the parking brake pedal is released. The parking brake assembly, which includes the parking brake switch, has been modified to correct this condition. Use the following repair procedure to remove and replace the parking brake pedal assembly.
(Includes 2004 – 2007 model year Prius vehicles produced BEFORE the production change effective on VINs JTDKB20U#73249043 thru JTDKB20U#77632091.)

Repair Procedure:
1. Confirm the customer’s complaint that the Parking Brake Warning Light stays illuminated after the parking brake pedal is released.

2. Check to see if the parking brake switch is loose and/or the plastic guide pin for the parking brake switch is broken. This can cause the switch to swivel out of position and NO longer make contact with the parking lever to engage the parking brake switch and open the circuit.

3. Replace the parking brake pedal assembly if the condition in step 2 is found. Refer to the repair manual for the procedures for “Parking Brake Control Pedal Assembly: Overhaul.”

 
 
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