Locked codes
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07-15-2014 | 10:27 AM
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From: NC
Locked codes
My '04 XJR has some locked DTC's that I can't find a way to clear with WDS. The codes are P0300-0308, misfire on each cylinder and multiple random misfire. They popped up last weekend along with the P0121 error.
Each DTC has the locked symbol in WDS. I read and then cleared the FDR, then reflashed the ECU. The codes still won't clear. Any ideas?
Each DTC has the locked symbol in WDS. I read and then cleared the FDR, then reflashed the ECU. The codes still won't clear. Any ideas?
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