Cadillac P1760: TCM Supply Voltage Interrupted (4L30-E)

Is your scanner showing Cadillac P1760?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Cadillac P1760: TCM Supply Voltage Interrupted (4L30-E)

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$600
Can I Still Drive?
:
Yes

What Does The Cadillac P1760 Code Mean?

Key on or engine running; and the TCM detected a Keep Alive Memory circuit was interrupted. Circuits A828 and X837 are the power supply feeds for the TCM Keep Alive Memory. These fused circuits supply constant voltage on terminals 26 and 54 of the TCM.

What Are The Potential Causes Of The Cadillac P1760 Code?

  • Perform the Powertrain Onboard Diagnostics System Check
  • Refer to the repair information for DTC P0120
  • TCM flashes the Sports Lamp when this code is set

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> GM Genuine Parts 12633238 Engine Control Module
>>> TCM

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.

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