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TSB 14-0074 - DTC P06B8 AND/OR DTCS PRESENT IN PCM CONTINUOUS MEMORY FOLLOWING REPAIRS OR ENGINE RUN-ON


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New TSB:

ISSUE:

Some 2013 C-MAX, Fusion and MKZ Hybrid/Energi vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P06B8 in the powertrain control module (PCM) and/or have PCM continuous memory diagnostic trouble codes (CMDTCs) that will not clear after the cause has been repaired. In addition, the engine in some vehicles may continue to run-on for up to 5 seconds after powering down the vehicle when the engine is running.

 

The service procedure is for the service tech to reset the PCM and "keep alive memory" and force it to relearn the misfire monitor profile. 

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