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 Posted: Thu Jul 23, 2020 4:58 pm |
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Joined: Jul 08, 2020
Posts: 13
Trade Rating: 0
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Hello everyone
I've been struggling with the p1518 error for about a year. The car shows no symptoms (no check engine, has power). So far, the throttle, ECU harness and the pressure sensor in the intake manifold have been checked. Should I check anything else. All tips are appreciated 
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Posted: Thu Jul 23, 2020 5:55 pm |
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Joined: Nov 27, 2010
Posts: 11519
Trade Rating: +10
Location: What's it to you? ? ?
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This TU5JP4 engine runs a Bosch ME 7.4.4 management system.
One odd quirk about this ME 7.4.4 management system when fitted to PSA Peugeot / Citroen vehicles is P1518 is classed as a manufacturer specific code which unless you use Peugeot Planet / Citroen Lexia to read the fault codes you wouldnt know the actual fault.
On this ME 7.4.4 system its actually the fault code for the brake light switch.
Its amazing how many people this fault code catches out with ME 7.4.4 when using a generic OBD code reader.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sat Jul 25, 2020 2:34 pm |
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Joined: Jul 08, 2020
Posts: 13
Trade Rating: 0
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| MrBSI wrote: |
This TU5JP4 engine runs a Bosch ME 7.4.4 management system.
One odd quirk about this ME 7.4.4 management system when fitted to PSA Peugeot / Citroen vehicles is P1518 is classed as a manufacturer specific code which unless you use Peugeot Planet / Citroen Lexia to read the fault codes you wouldnt know the actual fault.
On this ME 7.4.4 system its actually the fault code for the brake light switch.
Its amazing how many people this fault code catches out with ME 7.4.4 when using a generic OBD code reader. |
I used PP2000 (that one in diagbox) and next to error code it said: Brak referencji w serwisie posprzedażnym (EN: No reference in after-sales service).
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Posted: Sat Jul 25, 2020 3:29 pm |
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Joined: Nov 27, 2010
Posts: 11519
Trade Rating: +10
Location: What's it to you? ? ?
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There you go then - its telling you BRAKE REFERENCE - replace the brake light switch with a genuine part.
There are 2 circuit channels on the brake switch, 1 channel for the brake lights, the 2nd channel tells the engine ecu if the brake pedal is pressed.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sat Jul 25, 2020 4:36 pm |
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Joined: Jul 08, 2020
Posts: 13
Trade Rating: 0
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| MrBSI wrote: |
There you go then - its telling you BRAKE REFERENCE - replace the brake light switch with a genuine part.
There are 2 circuit channels on the brake switch, 1 channel for the brake lights, the 2nd channel tells the engine ecu if the brake pedal is pressed. |
Thanks MrBSI! I'll order it right away!
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Posted: Fri Sep 18, 2020 3:48 pm |
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Joined: Jul 08, 2020
Posts: 13
Trade Rating: 0
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| MrBSI wrote: |
There you go then - its telling you BRAKE REFERENCE - replace the brake light switch with a genuine part.
There are 2 circuit channels on the brake switch, 1 channel for the brake lights, the 2nd channel tells the engine ecu if the brake pedal is pressed. |
And I have the same code AGAIN (The switch is new)
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