What does P1460 mean on a Chevy?

P1460. Cooling Fan Control System. Applies to Silverado, Sierra, Tahoe, Yukon, Impala.

What causes P1460 on a Chevy?

Failed cooling fan relay in the underhood fuse block Chafed fan control harness rubbing on the fan shroud Seized cooling fan motor drawing excess current Faulty PCM fan driver or quad-driver output

How do I fix P1460 on a Chevy?

Command the fans on and off with a Tech2 or GDS2 and verify actual fan response Swap the fan relay with a known-good identical relay and retest Inspect the fan harness routing for chafing before replacing parts Test fan motor current draw against spec to rule out a seized motor Verify PCM command state on the scan tool before condemning the module

Code

P1460

Cooling Fan Control System

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: Silverado, Sierra, Tahoe, Yukon, Impala
Related: No single generic twin. See OBD Codes List

What it means

P1460. Cooling Fan Control System. This Chevy-enhanced code applies to Silverado, Sierra, Tahoe, Yukon, Impala.

Findings, check these first

Failed cooling fan relay in the underhood fuse block
Chafed fan control harness rubbing on the fan shroud
Seized cooling fan motor drawing excess current
Faulty PCM fan driver or quad-driver output

Standard procedure

Command the fans on and off with a Tech2 or GDS2 and verify actual fan response
Swap the fan relay with a known-good identical relay and retest
Inspect the fan harness routing for chafing before replacing parts
Test fan motor current draw against spec to rule out a seized motor
Verify PCM command state on the scan tool before condemning the module

Look up another code

Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.

Sources and review

Review: no source links are recorded for this entry.

Last updated 2026-09-19.

Report a correction for P1460. Include your vehicle, the issue and a source if you have one.