Technical Section > Engine/Transmission/Powertrain/Exhaust

Ecu/ ecm problems

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Markalanleo:
Hello everyone I'm new to this forum but I need some help I've bought a 2015 cx5 2.2 diesel manual and recently the car has threw the engine management light on its came up with loads of codes as below.
Car Scanner ELM OBD2
DTC report
Selected brand: Mazda

============1==============
P258B(00)
Raw code: 258B00
ECU: Engine control unit
Status: Test failed, Test failed (current drive cycle), Pending, Confirmed, Test failed since last DTC clear
OBDII: Vacuum pump control - range/performance problem
============2==============
P1260(00)
Raw code: 126000
ECU: Engine control unit[Archive (inactive)]
Status: Test failed since last DTC clear
OBDII: THEFT Detected, Vehicle Immobilzed
Mazda: Anti-Theft System Signal Detected - Engine Disabled
============3==============
P007B(00)
Raw code: 007B00
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Turbocharger (TC) intercooler temperature sensor, bank 1 - circuit range/performance
============4==============
P0111(00)
Raw code: 011100
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Intake air temperature (IAT) sensor - range/performance problem
============5==============
P0181(00)
Raw code: 018100
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Fuel temperature sensor A - range/performance problem
============6==============
P0106(00)
Raw code: 010600
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor - range/performance problem
============7==============
P2227(00)
Raw code: 222700
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Barometric pressure (BARO) sensor - range/performance problem
============8==============
P0101(00)
Raw code: 010100
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Mass air flow (MAF) sensor/volume air flow (VAF) sensor - range/performance problem
============9==============
P2456(00)
Raw code: 245600
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Diesel particulate filter (DPF) pressure sensor A - circuit malfunction
============10==============
P244A(00)
Raw code: 244A00
ECU: Engine control unit
Status: Test not completed since last DTC clear, Test not completed during this operation cycle
OBDII: Diesel particulate filter (DPF) - differential pressure too low
============11==============
P2452(00)
Raw code: 245200
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Diesel particulate filter (DPF) pressure sensor A - circuit malfunction
============12==============
P0154(00)
Raw code: 015400
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Heated oxygen sensor (HO2S) 1, bank 2 - no activity detected
============13==============
P1303(00)
Raw code: 130300
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: EGR Calibration Fault
============14==============
P2002(00)
Raw code: 200200
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Particulate trap, bank 1 - efficiency below threshold
============15==============
P0488(00)
Raw code: 048800
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Exhaust gas recirculation (EGR) system, throttle position control - range/performance problem
============16==============
P0421(00)
Raw code: 042100
ECU: Engine control unit
Status: Test not completed since last DTC clear, Test not completed during this operation cycle
OBDII: Warm up catalytic converter, bank 1 - efficiency below threshold
============17==============
P0401(00)
Raw code: 040100
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Exhaust gas recirculation (EGR) system - insufficient flow detected
============18==============
P0402(00)
Raw code: 040200
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Exhaust gas recirculation (EGR) system - excessive flow detected
============19==============
P0671(00)
Raw code: 067100
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug, cylinder 1 - circuit malfunction
============20==============
P0672(00)
Raw code: 067200
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug, cylinder 2 - circuit malfunction
============21==============
P0673(00)
Raw code: 067300
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug, cylinder 3 - circuit malfunction
============22==============
P0674(00)
Raw code: 067400
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug, cylinder 4 - circuit malfunction
============23==============
P0670(00)
Raw code: 067000
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug control module - circuit malfunction
============24==============
P0683(00)
Raw code: 068300
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug control module to ECM/PCM communication error
============25==============
P0684(00)
Raw code: 068400
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Glow plug control module to ECM/PCM communication error - range/performance problem
============26==============
P0339(00)
Raw code: 033900
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Crankshaft position (CKP) sensor - circuit intermittent
============27==============
P0299(00)
Raw code: 029900
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Turbocharger (TC)/supercharger (SC) - low boost
============28==============
P02CB(00)
Raw code: 02CB00
ECU: Engine control unit
Status: Test not completed since last DTC clear, Test not completed during this operation cycle
OBDII: Turbocharger (TC)/supercharger (SC) B - underboost condition
============29==============
P0234(00)
Raw code: 023400
ECU: Engine control unit
Status: Test not completed during this operation cycle
OBDII: Turbocharger (TC), engine boost condition - limit exceeded
============30==============
P02CA(00)
Raw code: 02CA00
ECU: Engine control unit
Status: Test not completed since last DTC clear, Test not completed during this operation cycle
OBDII: Turbocharger (TC)/supercharger (SC) B - overboost condition

Any help would be much appreciated
Mark

RichardCX5:
Given the wide range of different codes you've got here, my money would be on either a bad battery or bad ECU ground causing the myriad of issues you're seeing.

Markalanleo:
I've had the battery checked today
Cleared all codes left the car just idleing for 20 mins then the light came on sometimes it can take all day driving to get it to come back on then sometimes it's every 5 mins or so
Could it just be one sensor throwing it all out of whack
Any more help would be much appreciated

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