Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2013WRANGLER SPORT, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO (RADIO) - ELECTRICAL DIAGNOSTICS
2013 Jeep Wrangler Sport, Standard Trans
Audio (Radio) - Electrical Diagnostics
2013 Jeep Wrangler Sport, Standard TransSECTION Audio (Radio) - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- B1401-Front Left Audio Speaker Output Circuit Low
- B1402-Front Left Audio Speaker Output Circuit High
- B1403-Front Left Audio Speaker Output Circuit Open
- B1405-Front Right Audio Speaker Output Circuit Low
- B1406-Front Right Audio Speaker Output Circuit High
- B1407-Front Right Audio Speaker Output Circuit Open
- B1409-Rear Left Audio Speaker Output Circuit Low - Base
- B1409-Rear Left Audio Speaker Output Circuit Low - Premium
- B140A-Rear Left Audio Speaker Output Circuit High - Base
- B140A-Rear Left Audio Speaker Output Circuit High - Premium
- B140B-Rear Left Audio Speaker Output Circuit Open - Base
- B140B-Rear Left Audio Speaker Output Circuit Open - Premium
- B140D-Rear Right Audio Speaker Output Circuit Low - Base
- B140D-Rear Right Audio Speaker Output Circuit Low - Premium
- B140E-Rear Right Audio Speaker Output Circuit High - Base
- B140E-Rear Right Audio Speaker Output Circuit High - Premium
- B140F-Rear Right Audio Speaker Output Circuit Open - Base
- B140F-Rear Right Audio Speaker Output Circuit Open - Premium
- B1420-Audio Cassette Error/Inoperable Cassette
- B1421-Audio Cd Read Error/Inoperable Disc
- B1422-Audio DVD Read Error/Inoperable Disc
- B1424-Improper DVD-Wrong Region
- B1429-Radio Display High Temperature
- B142A-Radio Unit High Temperature
- B142D-Audio Antenna Not Connected
- B142E-GPS Antenna Not Connected
- B142F-Satellite Radio Antenna Not Connected
- B1430(2.5)-Satellite Radio Antenna Internal Performance
- B1430(4.0)-Satellite Radio Antenna Internal Performance
- B143A- Microphone 1 Circuit Performance
- B143B-Microphone 1 Circuit Low
- B143C-Microphone 1 Circuit High
- B156B-Satellite Radio Antenna Circuit
- U0010-Can Interior Bus
- U0011-Can Interior Bus Off Performance
- U0151-Lost Communication With Occupant Restraint Controller (Orc)
- U0186-Lost Communication With Audio Amplifier
- U0197-Lost Communication With Hands Free Phone Module
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.