Cadillac P1700: TCM Requested Malfunction Indicator Lamp (4L30-E)
Is your scanner showing Cadillac P1700?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1700: TCM Requested Malfunction Indicator Lamp (4L30-E)
OVERVIEWWhat Does The Cadillac P1700 Code Mean?
Key on or engine running; and the PCM detected a signal from the TCM that indicated an emission related fault had been detected. The TCM flashes the Sport Mode Lamp when a fault occurs on certain non-emissions related TCM systems.
What Are The Potential Causes Of The Cadillac P1700 Code?
- Perform the Powertrain Onboard Diagnostic System Check
- Perform the Automatic Transmission System Check
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> TCM
>>> GM Genuine Parts 12633238 Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
