Macbook Pro A2159 recycling every 2-3 mints

[Praveen Sahwal]

Hi,
I’ve got a MacBook Pro A2159 (820-01598-A) that keeps recycling before chime/Apple logo every 3–4 minutes.


No visible damage or broken components found. The following signals keep rebooting every 2–3 minutes:

• PP1V8_AWAKE
• PP1V1_SLPS2R
• PP3V3_AWAKE
• PP1V8_SLPS2R
• PP0V8_SLPS2R

Meanwhile, these remain stable:

• PP3V3_G3H_PMU_VDDMAIN
• PP3V3_G3H_RTC

Any thoughts on what could be causing the issue?

 

[2informaticos]

Check first if stays in Internet Recovery.
If no data to save, try DFU restore.

 

[Praveen Sahwal]

doesn't stay in internet recovery, chim sound and reboot.
tried DFU using apple configrator, goes to DFU but doesn't stay in DFU mode.

tried Revive, restart every time

 

[2informaticos]

Did you try with charged battery connected?

 

[Praveen Sahwal]

yes tried full charged battery still same issue

 

[2informaticos]

Once in DFU, power on sequence is stopped; it should stay.
It is correctly detected in Apple Configurator for sure?