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Q: air bag light on and engin light on trans stuck in 2nd gear on 2008 Chrysler PT Cruiser

horn stoped working air bag light came on then shut off then came on then chex engine light came on then car transmission stuck in second gear take negative cabel off battery hook back up all starts after a few miles agine
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Sounds like you may nave multiple issues. Your first concerns with the horn and airbag sounds like a defective "Clockspring" . The clockspring is a mechanical electrical circuit component that is used to provide continuous electrical continuity between the fixed instrument panel wire harness and certain electrical components mounted on or in the rotating steering wheel. On this vehicle the rotating electrical components include the driver airbag, the horn switch, the speed control switch, and the remote radio switches, if the vehicle is so equipped.

Your Concern with the Transmission defaulting into 2nd gear is likely a separate issue. Before attempting any repair on a 40/41TE four-speed automatic transaxle, check for Diagnostic Trouble Codes (DTC's) using the scan tool. Refer to the Transmission Diagnostic Procedures Manual.

Transaxle malfunctions may be caused by these general conditions:

Poor engine performance
Improper adjustments
Hydraulic malfunctions
Mechanical malfunctions
Electronic malfunctions
Diagnosis of these problems should always begin by checking the easily accessible variables: fluid level and condition, gearshift cable adjustment. Then perform a road test to determine if the problem has been corrected or that more diagnosis is necessary. If the problem persists after the preliminary tests and corrections are completed, hydraulic pressure checks should be performed.

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