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P1619 Diagnostic Trouble Code Discussion for June 2009

Engine oil life reset switch circuit

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Trouble Ticket Help Requests for DTC P1619
Help Request Posted
2002 BMW 325i 2.5L MIL Lamp on VIN: WBAET37422
P1619: Map Cooling T/Stat Control Circuit Low. ... in for a check engine light..Had fault code P1620 (T/Stat Map cooling circuit high)..Knowing these have problems with T/Stats, I went and replaced it and also checked for signal to heater portion of T/Stat from ECU all O.K until it came back after a week??...
June 01, 2009
2001 Volkswagen Jetta TDI 1.9L MIL Lamp on, sluggish VIN: 3VWSP29M31
P1619: glow plug relay J52 - open or short to ground. ... that the glow plug relay had fixed it. Before the I put in the relay, no codes would clear, all were back instantly. Found shorted wires in N239 circuit, repaired, codes still would not clear. Tested for P1549 code only: measured B+ to the solonoid, unplug...
June 10, 2009