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P1143 Diagnostic Trouble Code Discussion for December 2005

Heated Oxygen Sensor (Bank 1 Sensor 1) Lean Shift Monitoring


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Trouble Ticket Help Requests for DTC P1143
Help Request Posted
2001 Volkswagen Jetta GLS 2.0L MIL Lamp on, P1143 VIN: 3VWSB69M41
P1143: load calc. cross check upper limit exceeded. This car will light up the engine light after 2 cycles after clearing the engine module. I replaced the maf sensor and did tps adaptation procedure. The car don't have any problems while driving, just the check engine light that is on. Please help me with some...
December 19, 2005
2001 Volkswagen Jetta GLS 2.0L MIL Lamp on, P1143 VIN: 3VWSB69M41
P1143: load calc. cross check upper limit exceeded. This car will light up the engine light after 2 cycles after clearing the engine module. I replaced the maf sensor and did tps adaptation procedure. The car don't have any problems while driving, just the check engine light that is on. Please help me with some...
December 19, 2005