
2001 GMC Sierra 1500 HD SLE 6.0L Poor Idle Quality, MIL Lamp on
with new tac, throttle body, lab scope app don't know what good is had a 1v difference between wot and idle. in app2 and app3 signals at tac. leaning toward pcm have to go to dealer to flash. any suggestions or tests would be appreciated. thanks in advance dua...
FIX posted 12/2/2005
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Message Closed w/FIX
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VIN | 2GTEK69U71 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Idle |
Misc. | Has Electronic Throttle Control |
Trouble Codes
P1518 | Throttle Actuator Control Module Serial Data Malfunction |
Message Closed w/FIX
Vehicle Data
2001 GMC Sierra 1500 HD SLE
VIN | 2GTEK69U71 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Idle |
Misc. | Has Electronic Throttle Control |
Trouble Codes
P1518 | Throttle Actuator Control Module Serial Data Malfunction |