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 MANUALSJEEP2009WRANGLER UNLIMITED SAHARA, 4WD, AUTOMATICREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO SYSTEM (RADIO) - ELECTRICAL DIAGNOSTICSDIAGNOSTIC CODE INDEX
2009 Jeep Wrangler Unlimited Sahara, 4WD, Automatic
Diagnostic Code Index
2009 Jeep Wrangler Unlimited Sahara, 4WD, AutomaticSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| 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 |
| B140A | REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGH |
| B140B | REAR LEFT AUDIO SPEAKER OUTPUT CIRCUIT OPEN |
| B140D | REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT LOW |
| B140E | REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT HIGH |
| B140F | REAR RIGHT AUDIO SPEAKER OUTPUT CIRCUIT OPEN |
| 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 |
| B156B | SATELLITE RADIO ANTENNA CIRCUIT |
| U0151 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER |
| U0154 | LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE |
| U0186 | LOST COMMUNICATION WITH AUDIO AMPLIFIER |
| U0197 | LOST COMMUNICATION WITH HANDS FREE MODULE |
| U0199 | LOST COMMUNICATION WITH DRIVERS DOOR MODULE |
| U0200 | LOST COMMUNICATION WITH PASSENGER DOOR MODULE |
RENDER: 1.0x
NO RELATED
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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.