My HONDA JAZZ FIT Navi 1318 PETROL 2015 is having intermittent issues.
When I sometime stop and try to move the power goes low and light on dashboard starts glowing.
Normally if switch off and switch off the car it works fine.
2 weeks before, I had same issue at a round about. this time car refused to start and battery went down after few attempts.
AA did not find any code when they scanned and could not start the car and dropped to local garage.
The garage replaced spark plug and battery and could not find any mechanical issue.
Had to call a key expert and was told problem with ECU data corruptions and immobiliser reconfiguration.
car was repaired and after few days and 100 miles driving had same original issue again.
was able to restart after few tries and drive another 60 miles with out issues.
the Key engineer wants me to pay 120£ a hour to trouble shoot the problem.

Amy suggestion please.

 

The fact that they changed plugs regarding this issue... unless they were worn- you were taken advantage of.... shame.

Anyways, what it sounds like to me is a charging issue. If your battery is dead-regardless of voltage, I'd start there. I know some DID have immobilizer symptoms-but those I believe were often starting issues- battery dying whilst sitting-etc.

Check the alternator voltage output- if under 13.2v, replace. I would also check with an ammeter the draw. A proper scan tool can see this- it doesn't have to be specifically Hondata. No cheap PID scanning tools though. Following that I'd be looking at immobilizer/ecu issues. Normally when those lights go off -even on low voltages, it'll at least store a low voltage code. Check the modules, check the alternator, get a proper mechanic. Good luck out there.