
1999 Cadillac DeVille Concours 4.6L Poor Idle Quality, MIL Lamp on, high idle
loss of pcm memory code P0601, high idle and trans wont shift trans codes 0716 and 0717...testing shows resistance of input speed sesor @ 1580 ohms, with engine running will develope over .5 volts ac, checked @ PCM connector......previous codes before PCM repl...
FIX posted 8/13/2009
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)4 Replies Received(Hide Replies)4 Replies Received
|
Message Closed w/FIX
|
VIN | 1G6KF5496X |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp on, High Idle |
Occurs | Always |
Misc. | Deville |
Trouble Codes
P0601 | PCM Internal Check Sum Error |
Message Closed w/FIX
Vehicle Data
1999 Cadillac DeVille Concours
VIN | 1G6KF5496X |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp on, High Idle |
Occurs | Always |
Misc. | Deville |
Trouble Codes
P0601 | PCM Internal Check Sum Error |