Engine Does Not Start And Tip Start Nonfunctional (LI42.31-P-045619)

Publication date: 2009-01-19
Reference number: LI42.31-P-045619
Supersedes refnos: 42.31/91

ENGINE DOES NOT START AND TIP START NONFUNCTIONAL

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI42.31-P-045619 Version 1 (P-B-42.31/91, January 10, 2008), Date of Issue: January 19, 2009

Mercedes-Benz:	All Model 140, 170, 202, 208 and 210 Vehicles Equipped with Brake Assist (BAS)
Design Group:	42.31 Brake Assist (BAS)
Reason For Change:

COMPLAINT

Engine Does Not Start and Tip Start Nonfunctional

CAUSE

Moisture/corrosion

REMEDY

If you receive customer reports in the above model vehicles of intermittent inability to start the engine and or tip start malfunction, perform the below steps to resolve.

NOTE: The engine may be in limp home mode. This may be caused by the presence of moisture / corrosion at the CAN/voltage supply connector or the Brake Assist (BAS) control unit. The following CAN fault codes may be stored individually or in combination.

B1040, B1041, B1043, C1020, C1022, C1025, C1031, P0603, P1606, P1221, P1630, P1747, 132 (EGS), 135(EGS)

Check the CAN/voltage supply (connector 3) at the BAS control unit for moisture or corrosion.
Eliminate the moisture/corrosion if it is present.
If the condition persists, replace the Brake Assist (BAS) control unit (refer to WIS document AR42.31-P-6001A). Refer to EPC for the latest BAS/ESP control unit part numbers.

NOTE: The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on January 10, 2008. Please refer to Netstar -> Star TekInfo -> Star Time for the most current labor time allowance.

NOTE: This document is not an extension of warranty coverage. Please check warranty coverage prior to claim submission.

SYMPTOMS

Engine start/stop / Power generation / Touch start nonfunctional / Engine management /

Engine start/stop / Power generation / Engine management / Does not start /

WORK UNITS

Op. no.	Operation text	Time	Damage code	Note
54-1011	SHORT TEST, PERFORM	0.3 hrs.	54582 73	Model Indicators: B1, B2, B3, B4, B7, B8, B9, C4, C5, C6, C7, G1, G2, G3, G4, H1, H2, H3, H4, H5, H6, E1, E2, E3, E4, E5, E6, E7, E8, E9, F1, F2
54-9204	ELECTRICAL LINE FOR (SPECIFY) , REPAIR	0.0 hrs.*		* Separate time punch required. Model Indicators: B1, B2, B3, B4, B7, B8, B9, C4, C5, C6, C7, G1, G2, G3, G4, H1, H2, H3, H4, H5, H6, E1, E2, E3, E4, E5, E6, E7, E8, E9, F1, F2
42-0000	BRAKE ASSIST (BAS) CONTROL UNIT, REPLACE	0.0 hrs.*		If necessary * Separate time punch required. Model Indicators: B1, B2, B3, B4, B7, B8, B9, C4, C5, C6, C7, G1, G2, G3, G4, H1, H2, H3, H4, H5, H6, E1, E2, E3, E4, E5, E6, E7, E8, E9, F1, F2

WIS-REFERENCES

Document number	Title	Note	Allocation
AR42.31-P-6001A	Removing and installing BAS control module		Remedy