Cadillac P1826: A/T Manual Shaft Shift Switch Invalid Signal (5L40-E)
Is your scanner showing Cadillac P1826?
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Cadillac P1826: A/T Manual Shaft Shift Switch Invalid Signal (5L40-E)
OVERVIEWWhat Does The Cadillac P1826 Code Mean?
Engine started, system voltage from 8-18v, engine torque over 15 lb ft. , VSS over 5 mph, then with the gear ratio within one of these ranges: 3.33:1 to 3.50:1 for 1st gear, 2.16:1 to 2.27:1 for 2nd gear, 1.56:1 to 1.64:1
What Are The Potential Causes Of The Cadillac P1826 Code?
- Manual shaft shift switch circuit is open or signals are shorted
- Manual shaft shift switch is damaged or out of adjustment
- TCM 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> ACDelco GM Genuine Parts 24231595 Automatic Transmission Manual Shift Shaft Position Switch
>>> 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.
- GM, 2013, Service Bullettin – Service Stabilitrak Message And Possible Multiple Powertrain DTCs.
