For 1990-2009 cars

# MIL On and DTC P0440 in PCM Memory

Subject: | Malfunction Indicator Lamp On and Diagnostic Trouble Code P0440 in PCM Memory (Install New PCM Calibration)

Models: | 1996 Saturns built before and including the following VINs:

• | TZ201459 - automatic transaxles

• | TZ201811 - manual transaxles

### Condition

The malfunction indicator lamp (MIL) (SERVICE ENGINE SOON telltale lamp) may be On and diagnostic trouble code P0440 is present or stored in PCM malfunction history with no other DTCs present.

### Cause

Trouble code diagnostics require recalibration.

### Correction

Refer to the following procedures and download a new service calibration.

### Procedure

1. Download the new service calibration. (Refer to "1996 Purge Diagnostic Enhancement Calibrations" chart.) Refer to "PCM Flash Programming" under "General Description" in "PCM Serial Data" section of the "1996 Powertrain Service Manual" or the "Service Stall Users Guide" for proper calibration procedures. The service stall system (SSS) and PDT must be at version 33.01or greater.

Important: If SSS version 33.01 or greater is not available, call Saturn Customer Support Center at 1 (800) 7SATURN (1 800 772-8876), prompt 3.

2. Test drive vehicle and verify DTC P0440 does not reset in PCM memory. If DTC P0440 does reset, refer to the "1996 Revised Powertrain Controls Service Manual" and replace the EVAP canister purge solenoid.

1996 PURGE DIAGNOSTIC ENHANCEMENT CALIBRATIONS
END MODEL # | CALIBRATION DESCRIPTION | PRIOR END MODEL #
21008146 | B/A CALIFORNIA - PURGE DIAGNOSTIC ENHANCEMENT | 21008072 21008050
21008148 | P/M CALIFORNIA - PURGE DIAGNOSTIC ENHANCEMENT | 21008052
21008152 | B/A CANADA - PURGE DIAGNOSTIC ENHANCEMENT | 21008074 21008064
21008151 | B/A CANADA - PURGE DIAGNOSTIC ENHANCEMENT | 21008063
21008152 | B/A TAIWAN - PURGE DIAGNOSTIC ENHANCEMENT | 21008074 21008064
21008151 | P/A TAIWAN - PURGE DIAGNOSTIC ENHANCEMENT | 21008071/21008049
21008145 | B/M FEDERAL - PURGE DIAGNOSTIC ENHANCEMENT | 21008063
21008154 | B/A CANADA - PURGE DIAGNOSTIC ENHANCEMENT | 21008066
21008144 | B/M FEDERAL - PURGE DIAGNOSTIC ENHANCEMENT | 21008048
21008154 | B/M TAIWAN - PURGE DIAGNOSTIC ENHANCEMENT | 21008066
21008147 | P/M FEDERAL - PURGE DIAGNOSTIC ENHANCEMENT | 21008051
21008149 | B/M FEDERAL - PURGE DIAGNOSTIC ENHANCEMENT | 21008053
21008150 | B/M CALIFORNIA - PURGE DIAGNOSTIC ENHANCEMENT | 21008054
21008153 | P/M TAIWAN - PURGE DIAGNOSTIC ENHANCEMENT | 21008065
210008153 | P/M CANADA - PURGE DIAGNOSTIC ENHANCEMENT | 21008065
21008154 | B/M CANADA - PURGE DIAGNOSTIC ENHANCEMENT | 21008066

### Claim Information

To receive credit for this repair during the warranty coverage period, submit a claim through the Saturn Dealer System as follows:

Case Type | Description | Labor Operation Code | Time
VW | Install New PCM Calibration | T9698 | 0.3 hrs