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
- 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.
- 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.
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.
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 |
