P38A SRS Fault

EntropyUK · Apr 2, 2022

Hi all, long time no speak. I am starting to get my P38 back on the road and one of the issues is that the SRS light is permanently on. What are the steps to diagnose the fault after checking the yellow connectors under the seats? I have read the previous posts but do not know what checks to do and in what order.

Thanks

kermit_rr · Apr 2, 2022

Does it look a bit dim or unevenly lit? There are 2 bulbs and if one goes out, the other will light up.

If it's not the under seat connector on either seat then it could be the clock spring in the steering wheel

Rubberknees · Apr 2, 2022

kermit_rr said:
Does it look a bit dim or unevenly lit? There are 2 bulbs and if one goes out, the other will light up.

If it's not the under seat connector on either seat then it could be the clock spring in the steering wheel

Don't forget the connector behind the panel under the steering wheel. Pita to get at but was the cause on mine

marjon · Apr 2, 2022

Battery.
Dampness inside the car.

J

kermit_rr · Apr 2, 2022

marjon said:
Battery.
Dampness inside the car.

J

And Tuesday, that can be a cause,, or Thursday

marjon · Apr 2, 2022

kermit_rr said:
And Tuesday, that can be a cause,, or Thursday

Then on Friday I got a new battery and all was fine

Not heard it often but it happens apparently

.

J

Grrrrrr · Apr 3, 2022

EntropyUK said:
Hi all, long time no speak. I am starting to get my P38 back on the road and one of the issues is that the SRS light is permanently on. What are the steps to diagnose the fault after checking the yellow connectors under the seats? I have read the previous posts but do not know what checks to do and in what order.

Thanks

I found I had to reset it with the Nanocom. Try the fittings / tracks for the bulbs on the back of the instrument cluster and make sure both are clean and working.

Grrrrrr · Apr 3, 2022

kermit_rr said:
Does it look a bit dim or unevenly lit? There are 2 bulbs and if one goes out, the other will light up.

If it's not the under seat connector on either seat then it could be the clock spring in the steering wheel

Doubt it is rotary coupler if it only stopped working from lack of use.

kermit_rr · Apr 3, 2022

Grrrrrr said:
Doubt it is rotary coupler if it only stopped working from lack of use.

Missed that bit

kermit_rr · Apr 3, 2022

Grrrrrr said:
I found I had to reset it with the Nanocom. Try the fittings / tracks for the bulbs on the back of the instrument cluster and make sure both are clean and working.

Depends on the year, the late 99-02 ones auto reset with the ignition

Bern768 · Apr 3, 2022

have you moved the seats mine used to play up with them being moved , had to chop the plugs off and use decent connectors and a year on it hasn't come back up , worth taking the plugs under the seats apart and spraying with contact cleaner and unplugging and plugging them back in a couple of times to clean them up

Datatek · Apr 3, 2022

Low battery volts can trigger a fault that needs diagnostics to clear.

Grrrrrr · Apr 3, 2022

kermit_rr said:
Depends on the year, the late 99-02 ones auto reset with the ignition

Cannot recall which year his is. Has EGR but might have had orange indicators?

Datatek · Apr 4, 2022

kermit_rr said:
Depends on the year, the late 99-02 ones auto reset with the ignition

Depends on the fault. The fault needed clearing with diagnostics after a flat battery on my MY2000

kermit_rr · Apr 4, 2022

Datatek said:
Depends on the fault. The fault needed clearing with diagnostics after a flat battery on my MY2000

Strange! I've had flat battery a number of times but never an srs fault

Datatek · Apr 4, 2022

kermit_rr said:
Strange! I've had flat battery a number of times but never an srs fault

Luck of the draw I guess. Maybe dependent on the speed at with the battery went flat, mine was taken out by a diode failure in the alternator so the discharge was PDQ and the battery never recovered.

tomcat59alan · Apr 4, 2022

kermit_rr said:
Strange! I've had flat battery a number of times but never an srs fault

One for the future.

kermit_rr · Apr 4, 2022

tomcat59alan said:
One for the future.

I'll happily swap an SRS fault for a swiss cheese block

pete12345 · Apr 4, 2022

I think when these vehicles get flat batteries they change the list of faults they throw up just depends on how they feeling at the time and what direction they would like you to look into

Mukiwa · Apr 18, 2022

Datatek said:
Low battery volts can trigger a fault that needs diagnostics to clear.

Low volts seem to set off random things on different cars Keith! It's like LR outsourced the electrics to Lucas's Italian division

P38A SRS Fault

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