100% Free

No Scanner Needed

Carly logo
Prices

sven_schwarz1

Seat Alhambra preheating control unit malfunction

Seat Alhambra, build year 2020, diesel engine owner here. Mileage 68824 km. I'm experiencing a preheating control unit malfunction. The preheating lamp remains illuminated, the CEL is activated, and there's excessive smoke upon acceleration. I suspect a cable or plug connection issue within the ignition system. Any insights?

Summary of the thread

A 2020 Seat Alhambra owner is experiencing a preheating control unit malfunction, indicated by a persistent preheating lamp, an activated check engine light, and excessive smoke during acceleration. The suspected cause is a cable or plug connection issue within the ignition system. Another owner with a similar issue suggests checking for electrical faults and recommends a workshop visit for a proper diagnosis. The problem was identified as corrosion on the cable to the preheating unit, which required replacement and a diagnostic check.

Did this summary help you solve your problem?

4 comment(s)

lenalorenz1

Whoa, that sounds frustrating! I had something similar happen with my Alhambra. The car preheater acted up, the engine light was on, and it was belching smoke like a dragon when I hit the gas. Is your vehicle heater doing the same? Maybe check the electrical fault codes?

sven_schwarz1 (community.author)

Can you be more specific regarding your experience? Which component presented the fault?

lenalorenz1

Right, the preheating unit was indeed the culprit. It's a pain. I'm no expert, but if you are sure about the electrical fault, it's probably best to get it checked out at a workshop. They will know how to deal with the car preheater.

sven_schwarz1 (community.author)

Understood. I found corrosion on the cable to the preheating unit. Replacement and diagnostic check cost 95€. I appreciate the input.

rmh_community_comment_box_header

community_crosslink_scanner_headline

community_crosslink_scanner_intro

community_crosslink_scanner_title

community_crosslink_scanner_price

community_crosslink_rmh_headline

community_crosslink_rmh_intro

community_crosslink_rmh_title

community_crosslink_rmh_subtitle

community_crosslink_rmh_brand

SEAT

community_crosslink_rmh_model

ALHAMBRA