Warning light madness - Reduced Engine Performance

drjarmin · Apr 25th, 2021, 02:25

After driving home last I tried to start the car and it turned over for longer than usual and didn't sound too happy. On the dash there was a message 'Reduced Engine Performance' warning.

I turned off the car and started it again and it started easily and the message had gone.

However, now the Airbag Warning light shows for a few seconds and the car 'dings' six times before the light goes off.

I started the car a couple more times and once the engine and oil warning lights came on briefly and then went out after a while.

The oil level is correct. Now there are no warning light except for the airbag warning light showing for a few seconds and the six audible 'dings' after which it goes off.

I have tried googling the six dings and the 'Reduced Engine Performance' warning but can't find anything that describes either issue happening intermittently (or in this case just once).

Are these two behaviours related? Anything to check? Thanks

Harley Dave · Apr 25th, 2021, 09:47

Airbag warning and 6 dings - is this anything to do with passenger air bag being disabled?

Cheers

Dave

drjarmin · Apr 25th, 2021, 17:48

Quote:

Originally Posted by Harley Dave

Airbag warning and 6 dings - is this anything to do with passenger air bag being disabled?

Cheers

Dave

Hi Dave

I haven’t disabled the airbag. Seems odd this happened after that rogue Reduced Engine Performance error.

Car has been running as normal today

Zebster · Apr 25th, 2021, 17:50

Are you able to check for stored diagnostic trouble codes?

oragex · Apr 29th, 2021, 16:33

Just while there, make sure the timing belt is in good condition - not related to the srs but may be related to a slow start
Drive as usual then park and undo a battery cable - may want not to lock the trunk for easier access. Measure the voltage after 2h
Some XC90 had a recall for the harness of top of the CEM (water ingress)

Shimul241980 · Jun 29th, 2021, 21:52

My 66 reg S60 D2, has showing error message of ‘reduced engine performance’ .
I am a careful driver & not done anything unusual. In spite of having error message, I didn’t notice any changes in the performance or noise. Shall I carry on driving or shall I take to the garage to be checked?

Harley Dave · Jun 30th, 2021, 01:27

You might get more/better responses if you post in the S60 section of the forum.

This section is for XC90 models

Cheers

Dave

Apr 25th, 2021, 17:50	#4
Zebster Upstanding Member Last Online: Sep 12th, 2023 11:29 Join Date: Mar 2018 Location: Ludlow	Are you able to check for stored diagnostic trouble codes? __________________ GONE: 2015 V60 D4 181 (VEA) R-Design Lux Nav manual in black

Apr 29th, 2021, 16:33	#5
oragex Premier Member Last Online: Jul 26th, 2021 21:24 Join Date: Jun 2013 Location: Coldnada	Just while there, make sure the timing belt is in good condition - not related to the srs but may be related to a slow start Drive as usual then park and undo a battery cable - may want not to lock the trunk for easier access. Measure the voltage after 2h Some XC90 had a recall for the harness of top of the CEM (water ingress) __________________ Several Volvo Repair Videos https://www.youtube.com/playlist?lis...ECTts0FSVSOT_c

Jun 29th, 2021, 21:52	#6
Shimul241980 New Member Last Online: Jul 3rd, 2021 00:32 Join Date: Jun 2021 Location: MANCHESTER	Please help . My 66 reg S60 D2, has showing error message of ‘reduced engine performance’ . I am a careful driver & not done anything unusual. In spite of having error message, I didn’t notice any changes in the performance or noise. Shall I carry on driving or shall I take to the garage to be checked?

Apr 25th, 2021, 09:47	#2
Harley Dave Volvo Driver Last Online: Yesterday 10:12 Join Date: Mar 2016 Location: Basingstoke	Airbag warning and 6 dings - is this anything to do with passenger air bag being disabled? Cheers Dave

Jun 30th, 2021, 01:27	#7
Harley Dave Volvo Driver Last Online: Yesterday 10:12 Join Date: Mar 2016 Location: Basingstoke	You might get more/better responses if you post in the S60 section of the forum. This section is for XC90 models Cheers Dave

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