[Cartman]

There is a TSB reguarding the 1st/2nd shift quality on 06-07 auto PTs. apparently the ECMs need to be flashed with updated programming.

NUMBER: 18-007-07

GROUP: Vehicle Performance

DATE: February 1, 2007

THE FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.

StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 7.03 OR HIGHER FOR THIS BULLETIN.

DRBIII(R) SOFTWARE LEVEL MUST BE AT THE LATEST RELEASE FOR THIS BULLETIN.

SUBJECT:

Flash: Driveability Improvements

OVERVIEW:

This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software.

MODELS:

2005 - 2007 (PT) PT Cruiser

NOTE : This bulletin applies to vehicles built before January 22, 2007 (MDH0122XX).

SYMPTOM/CONDITION:

A number of improvements have been made to address the following:

1. 2006/2007 Models with 2.4L Turbo / Manual Transmission - Surge during light to moderate throttle acceleration in 2nd or 3rd gear following a cold start.

2. 2006/2007 Models with Automatic Transmission - Shift Quality Improvement for 1 - 2 upshift (low speed) bump.

3. 2006/2007 Models with Automatic Transmission - Diagnostic Trouble Code (DTC) P0573 - Brake Switch # 1 Circuit High. This may be set if the vehicle gets physically stuck in a slippery condition and while trying to get the vehicle unstuck is rocked back and forth (transmission shifted drive to reverse to drive) without pressing the brake pedal.

4. 2006/2007 Models - Diagnostic Trouble Code (DTC) P063A - Generator Voltage Sense Circuit (Intermittent Generator Lamp Illumination).

5. 20051200612007 Models with 2.4L Turbo - Diagnostic Trouble Code (DTC) P2074 MAP/TPS Correllation.