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TOPIC : PCM

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No A/C Fools the TIPM

This bulletin applies to 2011 Jeep Compass/Patriot vehicles that are not equipped with air conditioning. The technician may find DTC P0533 (A/C pressure sensor circuit high is set in the PCM).

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Mazda Reprogram

Some 2012-2013 Mazda 3 vehicles equipped with a 2.3L engine may experience the MIL on with DTC P013A:00 (HO2S circuit slow response). This is caused by improper control logic of the PCM. To correct the problem, the control logic of the PCM has been changed

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Intermittent ABS Code

Some 2010 Lincoln MKX vehicles may exhibit an intermittent C1963 DTC with no other DTCs present in the anti-lock brakes (ABS), powertrain control module (PCM) or steering angle sensor module (SASM). The customer may observe an intermittent stability control system/traction control light illumination.

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Funky Idle

This bulletin applies to 2012 Acura RDX models. If the throttle body was recently cleaned or replaced, DTC P2279 (intake air system leak) or P0507 (idle control system rpm higher than expected) and a fluctuating idle exists, it’s likely that the throttle plate is now in a different position from the one that the PCM/ECM had previously learned. To fix the problem, the ECM/PCM must be relearned to the new throttle plate position.

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Confused Lincoln

Some 2011-2012 Lincoln MKZ vehicles may exhibit the Service Engine Soon lamp on, with DTC P0016 (crankshaft/camshaft position correlation) set.

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Confused Explorer

Some 2012-2013 Ford Explorer vehicles built on or before 9/3/2012 and equipped with the 2.0L GTDI engine, may exhibit an illuminated MIL along with DTC P06B8 (internal control module non-volatile random access memory error).

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300 Reflash

A “small number” of customers owning a 2014 Chrysler 300 equipped with a 5.7L engine and built on or before Sept.  4, 2013, may experience a MIL on. The technician may find DTC P1621 (O2 sensor reference voltage circuit low) and P1622 (O2 sensor reference voltage circuit high).

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Throttle Body Relearn

This bulletin applies to 2005-2013 Honda Pilot vehicles. If you’ve cleaned or replaced the throttle body, and now you have a fluctuating idle, a MIL on with DTC P2279 (intake air system leak) and/or P0507 (idle control system rpm higher than expected), it’s likely that the throttle plate is now in a different position from the one the ECM/PCM had previously learned.

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Ford GTDI Glitch

With some 2012-2013 Ford Edge vehicles built on or before 8/2/2012 and equipped with the 2.0L GTDI engine, technicians may find the MIL on with DTC P06B8.

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Dart Reflash

A “small number” of 2013-2014 Dodge Dart vehicles equipped with a 2.4L engine and built on or before Feb. 14, 2014, may experience a MIL on, with DTC P2251 set (O2 sensor 1/1 negative current control circuit open).

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