Cadillac P1701: MIL Request Circuit Malfunction (4L30-E)
Is your scanner showing Cadillac P1701?
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Cadillac P1701: MIL Request Circuit Malfunction (4L30-E)
OVERVIEWWhat Does The Cadillac P1701 Code Mean?
Engine started; and the PCM detected an unexpected voltage on the Mil Request circuit for 2.5 seconds. This code indicates that a transmission related OBD II failure has occurred. The TCM controls a dedicated Service Transmission Soon (STS) lamp that illuminated.
What Are The Potential Causes Of The Cadillac P1701 Code?
- MIL request circuit is open, shorted to ground or shorted to B+
- TCM has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
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.
