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(TA248-0336) False detection of DTC P0606 00

TECHNICAL ADVICE - Quick information for your help
Bulletin Nbr: TA248-0336
Date: ........... December 2003
Market: All
False detection of DTC P0606 00

VEHICLES CONCERNED

Saab 9-3 (9440) Trionic 8.

BACKGROUND

False detection of DTC P0606 00 - Control Module. Internal Fault may occur due to a software problem.

CONDITIONS

Since the root cause is in the T-8-software, it will not help to change the T-8-hardware.

There are about 10 different conditions in the ECM (hardware or software faults) that can set DTC P0606 00. To check if DTC P0606 00 was set by a false detection please follow the instructions below:

ACTION




1. Erase DTC's with Tech2.

2. Test drive the car for two driving cycles, in city driving conditions, of about 5 minutes each.

Make sure the ignition key is switched off for more than 5 seconds between the two driving cycles.

3. Read DTC's with Tech2 after the second driving cycle.

If the DTC hasn't come back, DTC P0606 00 was detected for a false reason.

If the DTC has come back, there is a real fault in the ECU.


This information is issued to avoid changing the T8 ECM that will not help to cure these conditions.

New updated T8 Software will be released at the beginning of 2004.