P1529 Buick Transmission Control Unit Request for MIL On
Possible causes
– Check for transmission codes.
Tech description
The code means that there is a problem with transmission. The Transmission Control Module (TCM) sends a signal to the Engine Control Module (ECM) to turn the engine light ON. Check the Transmission Control Module (TCM) for codes. Note: No all the scanner can read Transmission Control Module (TCM) codes.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1529 Buick Description
The Transmission Control Module (TCM) can request activation of the Malfunction Illumination Lamp (MIL) lamp Via a communication line to the Engine Control Module (ECM). This is only a request from TCM to ECM to turn the MIL on. The fault code is stored in the TCM. Select Transaxle system on the Scantool and monitor DTC related automatic transaxle system.
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera