Service bulletin LI15.18-P-078654

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

Complaint Engine warning light active. Fault code P012D12 The pressure sensor upstream of exhaust gas turbocharger has short circuit to positive. There is a short circuit to positive. is stored in the control unit N3/10 N3/10 - engine electronics 'MED41''M264'. Cause In the course of a pre-repair, the lines may be damaged due to the feed line to component part B28/11 pressure sensor downstream of air filter being routed too taut. (see picture 1) Remedy 1. Attach 12 V charger Note: An adequate voltage from the on-board electrical system battery must be guaranteed for the entire duration of the work procedure. Otherwise the control units could be damaged if an undervoltage occurs. Information: Observe the operating instructions of the 12 V charger. Information: Use the 12 V charger to ensure a sufficient voltage (minimum 12.5 V) from the on-board electrical system battery. -------------------------------------------------------------------------------------------------------------------------------- 2. Attach diagnostic system Information: Always ensure that XENTRY Diagnosis is updated to the latest version. For further information on "Retail Data Storage", see the Service Information bulletin SI00.01-D-0044SG. Information: The operation steps in XENTRY Diagnosis must be complied with precisely at all times. -------------------------------------------------------------------------------------------------------------------------------- 3. Carry out quick test and read out fault memory Information: If the above-mentioned fault code (P012D12) is stored in the control unit ME (N3/10) continue with operation step 4. -------------------------------------------------------------------------------------------------------------------------------- 4. Check line installation of component part B28/11 pressure sensor downstream of air filter for damage and routing free of tension. Repair defective lines as per XENTRY WIS. Note: Routing of the feed line free of tension must be ensured. (See picture 2)

The document

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Components

Electrical system, Engine

Trouble codes named

P012D

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