P0753 on GMC
Shift Solenoid 'A' Electrical (Shift Solenoid 1)
P0753 on GMC vehicles indicates shift solenoid 'a' electrical (shift solenoid 1). Au7o has documented this code across 1 GMC model — most commonly on Sierra 1500. P0753 indicates an electrical fault in the transmission's shift solenoid 'A' (often called shift solenoid 1) circuit. The transmission control module energizes this solenoid to route hydraulic pressure for gear changes, and this code sets when it detects an open, short, or out-of-range condition in that circuit. Symptoms can include harsh or delayed shifts, being stuck in a gear, or the transmission entering limp mode. It is generally drivable but should be repaired to avoid further transmission issues. Typical repair costs on GMC range from $1,800 to $3,500, depending on the specific model and root cause.
Common Causes of P0753
- •Faulty shift solenoid A
- •Wiring or connector damage in the solenoid circuit
- •Low or dirty/contaminated transmission fluid
- •Internal transmission electrical fault (harness/case connector)
- •Corroded or loose transmission connector
- •Faulty transmission control module
- •Blocked solenoid valve from debris
P0753 on GMC by Model
GMC Sierra 1500(1 issue)
- 4L60-E / 4L65-E Sun Shell Failure Causing Loss of Reverse and 2nd/4th Gear2000-2007
On GMT800 Sierra 1500 trucks equipped with the 4L60-E family automatic, a well-known internal failure is cracking or stripping of the reaction sun shell. Owners commonly report sudden loss of reverse, no 2nd gear, no 4th gear, or a truck that starts in 3rd gear after a bang or flare. This is widely documented in transmission rebuild literature, repair databases, and owner reports for GM trucks and SUVs using this transmission.
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View P0753 across all makes →Frequently Asked Questions
What does P0753 mean on GMC?▼
P0753 stands for "Shift Solenoid 'A' Electrical (Shift Solenoid 1)." P0753 indicates an electrical fault in the transmission's shift solenoid 'A' (often called shift solenoid 1) circuit. The transmission control module energizes this solenoid to route hydraulic pressure for gear changes, and this code sets when it detects an open, short, or out-of-range condition in that circuit. Symptoms can include harsh or delayed shifts, being stuck in a gear, or the transmission entering limp mode. It is generally drivable but should be repaired to avoid further transmission issues. On GMC specifically, this code is documented across 1 model.
What causes P0753 on GMC vehicles?▼
Common causes on GMC: Faulty shift solenoid A, Wiring or connector damage in the solenoid circuit, Low or dirty/contaminated transmission fluid, Internal transmission electrical fault (harness/case connector), Corroded or loose transmission connector. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0753 on a GMC?▼
Repair costs on GMC range from $1,800 to $3,500, depending on the specific model and root cause.
Which GMC models have P0753 documented?▼
Au7o has documented P0753 on 1 GMC model: Sierra 1500.