OBD-II Diagnostic Trouble Codes

B147F – Channel 7 Audio Speaker Output Circuit Low (Jeep Grand Cherokee)

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B147E – Channel 7 Audio Speaker Output Circuit Performance (Jeep Grand Cherokee)

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B147D – Channel 6 Audio Speaker Output Circuit Shorted Together (Jeep Grand Cherokee)

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B147C – Channel 6 Audio Speaker Output Circuit Open (Jeep Grand Cherokee)

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B147B – Channel 6 Audio Speaker Output Circuit High (Jeep Grand Cherokee)

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B147A – Channel 6 Audio Speaker Output Circuit Low (Jeep Grand Cherokee)

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B1479 – Channel 6 Audio Speaker Output Circuit Performance (Jeep Grand Cherokee)

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B1478 – Channel 5 Audio Speaker Output Circuit Shorted Together (Jeep Grand Cherokee)

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B1477 – Channel 5 Audio Speaker Output Circuit Open (Jeep Grand Cherokee)

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B1476 – Channel 5 Audio Speaker Output Circuit High (Jeep Grand Cherokee)

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