P2D88

Fan 1 Control Module Performance

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$33–89 (est.)

Symptoms

Engine overheating
Unstable fan operation
The fan does not turn on
Constant fan operation at maximum speed

Causes

Fan control module malfunction
Open or short circuit in wiring
Fan relay problems
Temperature sensor malfunction

How to Fix

Check module electrical connections
Test the control module
Replace module if necessary
Check and replace fan relay

Related codes

P2D89 P2D87 P0480