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fault code p1648

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Old 17 Feb 2013, 12:45 pm
Mickey_Knox's Avatar
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Default fault code p1684

Anyone got any info on this code? All I could find on it was a battery control module or motor control module? Could it also be the tcm cause it has started doing a hard downshift from 2nd to 1st.

Last edited by Mickey_Knox; 17 Feb 2013 at 06:51 pm.
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Old 19 Feb 2013, 06:40 pm
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Default Re: fault code p1648


When Monitored: Whenever the ignition is in the Run/Start position.

Set Condition: This DTC is set whenever the Transmission Control Module (TCM) is disconnected from battery power (B+) or ground. It will also be set during the DRBIII Quick Battery Disconnect procedure. Note: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has its own specific power and ground circuits.
2010 PT Cruiser Classic, Deep Water Blue
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