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View Full Version : Opel Astra Temic - reset help (electronic control unit not re-usable error)



jbt2
4th July, 2010, 12:48 PM
Hi I have an astra H fitted with temic control unit,
The passenger passenger airbag has gone off,
i have replaced airbag and am using opcom to look at module and clear data
i cannot clear the error and airbag light remains on with the faults stored

The unit is MRSZ Temic-
Part Number 13288176 software A3300RG3 v3.4.0 alpha code cc ( read via opcom)
I have 5 errors
B1000-56 - CONTROL UNIT NOT RE-USABLE
B0051-00 - AIRBAG DEPLOYED
B0055-00 SIDE AIRBAG ACTIVATED
B0021-04 PASSENGER SIDE AIRBAG SQUIB CIRCUIT OPEN CIRCUIT
B0021-0E PASSENGER SIDE AIRBAG SQUIB CIRCUIT LOW RESISTANCE

When i read the measuring blocks in opcom
i get the following readings

driver airbag stage 1 squib cct resistance - 2.8 ohm

Passngr airbag stage 1 squib cct resistance - 2.2 ohm

driver airbag stage 2 squib cct resistance - 7.3 ohm

passngr airbag stage 2 squib cct resistance - 7.3 ohm

driver side airbag squib circuit resistance - 2.3 ohm

passenger side airbag squib circuit resistance - 2.3 ohm

driver curtain airbag squib resistance - 7.3 ohm

passenger curtain airbag squib resistance - 7.3 ohm

Driver pretensioner squib resistance - 2.1 ohm

passenger pretensioner squib resistance - 2.5 ohm

I have tried clearing data and errors within opcom
I used the activation screen and activated the faults above
and followed the sequence provided at http://opcomforum.yolasite.com/resou...ent%20Data.pdf
am i missing something ?
can this be cleared - is the temic unit locked ?

Just out of interest,
I have seen similar threads on here where people use dumps and re-write back to eeprom,
How do I do a dump of the module and how do i re-load it with corrected file.

Thanks

Nevler3
4th July, 2010, 01:20 PM
7.3 Ohms is sky high on your squibs. Sounds like open circuit. Bet it stays the same when airbags disconnected. Prob c/unit fault as you have so many. The ecus are locked after initial programming and can't be altered even with tech2. New c/unit or there is software out there to unlock them as they can be repaired certain companies do it. This thread might be useful.AirBag Crash Data Cleaner 1.0 *Updateable Database* (http://www.digital-kaos.co.uk/forums/f131/airbag-crash-data-cleaner-1-0-updateable-database-129207/)

jbt2
4th July, 2010, 02:23 PM
Hi Nevler3
I do not think the car has airbag curtains or 2nd stage squibs
so the values will be different - but im new to this so if you know different let me know.

jbt2
4th July, 2010, 02:45 PM
The car is an Astra life - it is a 1.4 and i think these only have 4 airbags.
i cant find any information in the handbook - perhaps someone else on here wil know the answer.

eugen8
1st April, 2011, 09:33 AM
Hi I have an astra H fitted with temic control unit,
The passenger passenger airbag has gone off,
i have replaced airbag and am using opcom to look at module and clear data
i cannot clear the error and airbag light remains on with the faults stored

The unit is MRSZ Temic-
Part Number 13288176 software A3300RG3 v3.4.0 alpha code cc ( read via opcom)
I have 5 errors
B1000-56 - CONTROL UNIT NOT RE-USABLE
B0051-00 - AIRBAG DEPLOYED
B0055-00 SIDE AIRBAG ACTIVATED
B0021-04 PASSENGER SIDE AIRBAG SQUIB CIRCUIT OPEN CIRCUIT
B0021-0E PASSENGER SIDE AIRBAG SQUIB CIRCUIT LOW RESISTANCE

When i read the measuring blocks in opcom
i get the following readings

driver airbag stage 1 squib cct resistance - 2.8 ohm

Passngr airbag stage 1 squib cct resistance - 2.2 ohm

driver airbag stage 2 squib cct resistance - 7.3 ohm

passngr airbag stage 2 squib cct resistance - 7.3 ohm

driver side airbag squib circuit resistance - 2.3 ohm

passenger side airbag squib circuit resistance - 2.3 ohm

driver curtain airbag squib resistance - 7.3 ohm

passenger curtain airbag squib resistance - 7.3 ohm

Driver pretensioner squib resistance - 2.1 ohm

passenger pretensioner squib resistance - 2.5 ohm

I have tried clearing data and errors within opcom
I used the activation screen and activated the faults above
and followed the sequence provided at http://opcomforum.yolasite.com/resou...ent%20Data.pdf
am i missing something ?
can this be cleared - is the temic unit locked ?

Just out of interest,
I have seen similar threads on here where people use dumps and re-write back to eeprom,
How do I do a dump of the module and how do i re-load it with corrected file.

Thanks
you need also to clear 2 crashes:b1000 and b0051