VAG COM Fault Codes 16

19219 4B13 P2787 Clutch Overheating

19221 4B15 P2789 couplings Adaptation to the limit

19456 4C00 P3000 The control lamp of the combustion chamber glow plugs warm-K29: error message on the instrument cluster

19457 4C01 P3001 control range of working speed

19458 4C02 P3002 Switch Mode intense acceleration (Kick-Down) -F86: implausible signal

19459 4C03 P3003 Relay low-power heat-J359: short to positive

19460 4C04 P3004 Relay low-power heat-J359: open circuit / short to earth

19461 4C05 P3005 High power relay heat-J359: short to positive

19462 4C06 P3006 High power relay heat-J360: open circuit / short to earth

19463 4C07 P3007 Camshaft position sensor-G40: no signal

19464 4C08 P3008 Camshaft position sensor-G40: signal out of tolerance

19465 4C09 P3009 pump relay cooling fuel-J445: short to positive

19466 4C0A P3010 Relay cooling system pump fuel-J445: open circuit / short to earth

19467 4C0B P3011 relay electric fuel pump 2-J49: Short to Plus

19468 4C0C P3012 relay electric fuel pump 2-J49: open circuit / short to earth

19469 4C0D P3013 Solenoid valve 2 limits the boost pressure-N274: short to positive

19470 4C0E P3014 valve 2-N274 limited boost pressure: open circuit / short to earth

4C0F P3015 19471 Valve Bypass channel fuel feed-N312: short to positive

4C10 P3016 19472 Valve Bypass channel fuel feed-N312: open circuit / short to earth

19473 4C11 P3017 valve exhaust valve 1-N321: short to positive

19474 4C12 P3018 valve exhaust valve 1-N321: short to ground

19475 4C13 P3019 valve exhaust valve 1-N321: open circuit

19476 4C14 P3020 valve exhaust valve 1-N321: a failure in the electrical circuit

19477 4C15 P3021 exhaust flap valve 2-N322: short to positive

19478 4C16 P3022 exhaust flap valve 2-N322: short to ground

19479 4C17 P3023 exhaust flap valve 2-N322: open circuit

19480 4C18 P3024 exhaust flap valve 2-N322: a failure in the electrical circuit

19481 4C19 P3025 throttle angle sensor 1 2-G297: implausible signal

19482 4C1A P3026 throttle angle sensor 1 February-G297: signal too low

19483 4C1B P3027 angle sensor 1 drive throttle 2-G297: signal too high

19484 4C1C P3028 throttle angle sensor 2 February-G298: implausible signal

19485 4C1D P3029 angle sensor 2 throttle 2-G298: signal too low

19486 4C1E P3030 angle sensor 2 drives the throttle 2-G298: signal too high

19487 4C1F P3031 Electric throttle 2-G296: a failure in the electrical circuit

4C20 P3032 19488 Throttle valve 2-J544: basic installation error

19489 4C21 P3033 air temperature sensor Intake 2-G299: signal too low

19490 4C22 P3034 air temperature sensor Intake 2-G299, too high signal level

4C23 P3035 19491 Throttle valve 2-J544: mechanical damage

4C24 P3036 19492 Throttle valve 2-J544: insufficient voltage when performing a basic installation

4C25 P3037 19493 Throttle valve 2-J544: adaptation is not started

4C26 P3038 19494 Throttle valve 2-J544: not reached the lower limit

19495 4C27 P3039 Request transmission, reducing the time: invalid value

19496 4C28 P3040 Transmission ratio of gearbox: invalid value

4C29 P3041 19497 Data bus drive: unreliable engine temperature signal from the instrument cluster

19498 4C2A P3042 Heater Control: implausible signal

4C2B P3043 19499 Fuel pump: mechanical damage

4C2C P3044 19500 Fuel pump short circuit

4C2D P3045 19501 Malfunction of the fuel pump system

19502 4C2E P3046 Starter relay 1: in an electrical circuit failure (relay jammed / not switched)

19503 4C2F P3047 supply control signal at the starter relay 2 short circuit to plus

19504 4C30 P3048 supply control signal at the starter relay 2 short circuit to ground

19505 4C31 P3049 supply control signal at the starter switch 2: open circuit

19506 4C32 P3050 Starter relay 2: in an electrical circuit failure (relay jammed / not switched)

19507 4C33 P3051 Enable starter tip cells. 50: implausible signal

19508 4C34 P3052 Enable starter tip cells. 50: short circuit to plus

19509 4C35 P3053 Enable starter tip cells. 50: short to earth / open circuit

19510 4C36 P3054 Starter does not turn: mechanical blockage or malfunction in the electrical circuit

19511 4C37 P3055 Exhaust Pressure Sensor 2: open circuit

19512 4C38 P3056 Exhaust Pressure Sensor 2: Short to Ground

19513 4C39 P3057 Exhaust Pressure Sensor 2: Short to Plus

19514 4C3A P3058 EGR System 2: Too low bandwidth

19515 4C3B P3059 EGR System 2: very high bandwidth

19516 4C3C P3060 valve bypass channel cooling, EGR-N386: a failure in the electrical circuit

19517 4C3D P3061 valve 2 bypass channel cooling, EGR-N387: a failure in the electrical circuit

19518 4C3E P3062 boost pressure regulator 2: too much pressure boost

19519 4C3F P3063 boost pressure regulator 2: too little boost pressure

4C40 P3064 19520 Valve 3 Pressure limiting the boost-N388: a failure in the electrical circuit

4C41 P3065 19521 Valve 3 limit supercharging pressure-N388: short to ground

4C42 P3066 19522 Valve 3 Pressure limiting the boost-N388: short to positive

19523 4C43 P3067 valve-N389 4 the turbocharging pressure limitation: failure in the electrical circuit

19524 4C44 P3068 valve-N389 4 the turbocharging pressure limitation: short to ground

19525 4C45 P3069 valve-N389 4 the turbocharging pressure limitation: short to positive

19526 4C46 P3070 pump fault feed additive for diesel particulate filter-V135

19527 4C47 P3071 Capacity with an additive for diesel particulate filter: empty

19528 4C48 P3072 Relay supply voltage: a failure in the electrical circuit

19529 4C49 P3073 Fuel Pump: a failure in the electrical circuit

19530 4C4A P3074 Fuel Pump 2: failure in the electrical circuit

19531 4C4B P3075 Correction turbochargers 1/2 not reached the limits of adaptation

4C4C P3076 19532 Engine control unit: encoding error

19533 4C4D P3077 Electronic fuel pump, power supply: a failure in the electrical circuit

4C4E P3078 19534 Throttle body: insufficient air flow at idle

4C4F P3079 19535 Fuel pump relay cold start-J748: short to positive

4C50 P3080 19536 Fuel pump relay cold start-J748: short to earth / open circuit

19537 4C51 P3081 Too low engine temperature

19538 4C52 P3082 Clutch position sensor /-G476 Clutch: implausible signal

19539 4C53 P3083 sensor tank additive for diesel particulate filter-G504: a failure in the electrical circuit

19540 4C54 P3084 turbocharger bypass valve, a series of 2: mechanical damage

19541 4C55 P3085 supply a control signal to the damper 2 inlets: a failure in the electrical circuit

19542 4C56 P3086 flaps 2 inlets: not met the basic settings

19543 4C57 P3087 Relay supply engine components: a failure in the electrical circuit

19544 4C58 P3088 Starter relay: failure in the electrical circuit

19545 Electronics 4C59 P3089 fuel pump, the signal wire: a failure in the electrical circuit

19546 4C5A P3090 does not recognize the signal of the auxiliary heater

19547 4C5B P3091 identify long signal auxiliary heater

19548 4C5C P3092 control unit faulty

19549 4C5D P3093 control unit faulty

19550 4C5E P3094 control unit faulty

19551 4C5F P3095 control unit faulty

19552 4C60 P3096 control unit faulty

19553 4C61 P3097 control unit faulty

19554 4C62 P3098 control unit faulty

19555 4C63 P3099 control unit faulty

19556 4C64 P3100 Motor damper intake manifold-V157: short to positive

19557 4C65 P3101 motor drive valve intake manifold-V157: open circuit / short to earth

19558 4C66 P3102 motor drive valve intake manifold-V157: no signal

19559 4C67 P3103 Motor damper intake manifold -V157: faulty

19560 4C68 P3104 switching flap valve intake manifold-N239: short to positive

19561 4C69 P3105 switching flap valve intake manifold-N239: open circuit / short to earth

19562 4C6A P3106 valve pump injector 7-N303: implausible signal

19563 4C6B P3107 valve pump injector 7-N303: a way out of the control range (greater than the upper limit)

19564 4C6C P3108 valve pump injector 7-N303: a way out of the control range (less than the lower limit)

4C6D P3109 19565 Valve unit injector 7-cylinder N303: a failure in the electrical circuit

19566 4C6E P3110 valve pump-injector 8-N304: implausible signal

19567 4C6F P3111 valve pump-injector 8-N304: a way out of the control range (greater than the upper limit)

19568 4C70 P3112 valve pump-injector 8-N304: a way out of the control range (less than the lower limit)

19569 4C71 P3113 valve pump-injector 8-N304: a failure in the electrical circuit

19570 4C72 P3114 valve pump injector 9-N305: implausible signal

19571 4C73 P3115 valve pump injector 9-N305: a way out of the control range (greater than the upper limit)

19572 4C74 P3116 valve pump injector 9-N305: a way out of the control range (less than the lower limit)

19573 4C75 P3117 valve pump injector 9-N305: a failure in the electrical circuit

4C76 P3118 19574 Valve unit injectors 10 of the cylinder-N306: implausible signal

19575 4C77 P3119 valve pump injector 10-N306: a way out of the control range (greater than the upper limit)

19576 4C78 P3120 valve pump injector 10-N306: a way out of the control range (less than the lower limit)

19577 4C79 P3121 valve pump injector 10-N306: a failure in the electrical circuit

19578 4C7A P3122 valve pump injector 11-N307: implausible signal

19579 4C7B P3123 valve pump injector 11-N307: a way out of the control range (greater than the upper limit)

19580 4C7C P3124 valve pump injector 11-N307: a way out of the control range (less than the lower limit)

4C7D P3125 19581 Valve unit injector 11, No. 307 of the cylinder: a failure in the electrical circuit

19582 4C7E P3126 valve pump injector 12-N308: implausible signal

19583 4C7F P3127 valve pump injector 12-N308: a way out of the control range (greater than the upper limit)

19584 4C80 P3128 valve pump injector 12-N308: a way out of the control range (less than the lower limit)

19585 4C81 P3129 valve pump injector 12-N308: a failure in the electrical circuit

19586 4C82 P3130 EGR System: a way out of the control range (greater than the upper limit)

19587 4C83 P3131 EGR System: a way out of the control range (less than the lower limit)

19588 4C84 P3132 Power Control candles 2 incandescent, electric circuit for glow plugs: a failure in the electrical circuit

19589 4C85 P3133 glow plug control unit 2-J609: implausible signal

19590 4C86 P3134 Flaps inlets, not reached the upper limit

19591 4C87 P3135 Flaps inlets not reached the lower limit

19592 4C88 P3136 Flaps inlets not reached the nominal value

19593 4C89 P3137 Flaps inlets not performed the basic settings

19594 4C8A P3138 Flaps inlets: control range

19595 4C8B P3139 flaps inlet channels: a signal of tolerance

19596 4C8C P3140 valve to start with an empty tank-Nhhh: open circuit / short to earth

19597 4C8D P3141 valve to start with an empty tank-Nhhh: short to positive

4C8E P3142 19598 Bank 2, probe 1, the signal lambda probe: unreliable lean mixture

4C8F P3143 19599 Bank 2, probe 1, the signal lambda probe: unreliable rich mixture

19600 4C90 P3144 Series 3, the probe 1, the signal lambda probe: unreliable lean mixture

19601 4C91 P3145 Series 3, the probe 1, the signal lambda probe: unreliable rich mixture

19602 4C92 P3146 Series 4, the probe 1, the signal lambda probe: unreliable lean mixture

19603 4C93 P3147 Series 4, the probe 1, the signal lambda probe: unreliable rich mixture

19604 4C94 P3148 Series 3, lambda probe before the catalyst electric heating circuit: We have reached the upper limit regulation

19605 4C95 P3149 Series 3, lambda probe before the catalyst electric heating circuit: We have reached the lower limit regulation

19606 4C96 P3150 Series 4, lambda probe before catalyst electric heating circuit: We have reached the upper limit regulation

19607 4C97 P3151 Series 4, lambda probe before catalyst electric heating circuit: We have reached the lower limit regulation

19608 4C98 P3152 Series 3, the probe 1: invalid value of internal resistance

19609 4C99 P3153 Series 4, the probe 1: invalid value of internal resistance

4C9A P3154 19610 Bank 2, probe 1: low voltage / leakage

19611 4C9B P3155 Series 3 Sensor 1: low voltage / leakage

19612 4C9C P3156 series probe 4-1: low voltage / leakage

4C9D P3157 19613 Bank 1 Sensor 1 signal lambda probe: too low voltage in the twentieth forced mode

4C9E P3158 19614 Bank 2 Sensor 1 signal lambda probe: too low voltage in the twentieth forced mode

19615 4C9F P3159 Series 3-1 probe, lambda probe signal too low voltage in the twentieth forced mode

19616 4CA0 P3160 Series 4-1 probe, lambda probe signal too low voltage in the twentieth forced mode

4CA1 P3161 19617 Linear Lambda probe, Row 1 / Terminating wire sensor signal: open circuit

4CA2 P3162 19618 Linear Lambda probe, Row 2 / Terminating wire sensor signal: open circuit

4CA3 P3163 19619 Linear Lambda probe, Series 3 / Terminating wire sensor signal: open circuit

4CA4 P3164 19620 Linear Lambda probe, number 4 / Terminating wire sensor signal: open circuit

19621 4CA5 P3165 Series 3, lambda correction after catalyst: the limit is exceeded the lean control

19622 4CA6 P3166 Series 3, lambda correction after catalyst: the limit is exceeded regulatory mixture enrichment

19623 4CA7 P3167 Series 4, lambda correction after catalyst: the limit is exceeded the lean control

19624 4CA8 P3168 Series 4, lambda correction after catalyst: the limit is exceeded regulatory mixture enrichment

19625 4CA9 P3169 Series 3, a basic catalyst: the loss of efficiency

19626 4CAA P3170 Series 4, a basic catalyst: the loss of efficiency

19627 4CAB P3171 Series 1, adaptation of the mixture in the range of 3 repauperization mixture

19628 4CAC P3172 Series 1, adaptation of the mixture in the range of 3 pereobogaschenie mixture

19629 4CAD P3173 Series 2, an adaptation of the mixture in the range of 3 repauperization mixture

19630 4CAE P3174 Series 2, an adaptation of the mixture in the range of 3 pereobogaschenie mixture

19631 4CAF P3175 Series 3, the adaptation of the mixture in the range of 3 repauperization mixture

19632 4CB0 P3176 Series 3, the adaptation of the mixture in the range of 3 pereobogaschenie mixture

19633 4CB1 P3177 Series 4, the adaptation of the mixture in the range of 3 repauperization mixture

19634 4CB2 P3178 Series 4, the adaptation of the mixture in the range of 3 pereobogaschenie mixture

4CB3 P3179 19635 Injector cyl. 13-N390: short to ground

4CB4 P3180 19636 Injector cyl. 13-N390: short to positive

4CB5 P3181 19637 Injector cyl. 13-N390: open circuit

4CB6 P3182 19638 Injector cyl. 14-N391: short to ground

4CB7 P3183 19639 Injector cyl. 14-N391: short to positive

4CB8 P3184 19640 Injector cyl. 14-N391: open circuit

4CB9 P3185 19641 Injector cyl. 15-N392: short to ground

4CBA P3186 19642 Injector cyl. 15-N392: short to positive

4CBB P3187 19643 Injector cyl. 15-N392: open circuit

4CBC P3188 19644 Injector cyl. 16-N393: short to ground

4CBD P3189 19645 Injector cyl. 16-N393: short to positive

4CBE P3190 19646 Injector cyl. 16-N393: open circuit

19647 4CBF P3191 Flaps inlets: basic settings mechanically broken. stop in the OPEN position.

19648 4CC0 P3192 Flaps inlets: basic settings mechanically broken. stop in the CLOSE position.

19649 4CC1 P3193 Flaps inlets: emphasis in the OPEN position. beyond. band

19650 4CC2 P3194 Air Flow 3-G456: signal too low

19651 4CC3 P3195 Air Flow 3-G456: signal too high

19652 4CC4 P3196 Air Flow 4-G457: signal too low

19653 4CC5 P3197 Air Flow 4-G457: signal too high

19654 4CC6 P3198 supply control signal to the intake valve channels: implausible signal

19655 4CC7 P3199 supply a control signal to the damper 2 inlets: implausible signal

19656 4CC8 P3200 Series 3 Sensor 1, electric heating circuit: short circuit to ground

19657 4CC9 P3201 Series 3 Sensor 1, electric heating circuit: short circuit to plus

19658 4CCA P3202 Series 3 Sensor 1, electric heating circuit: open circuit

19659 4CCB P3203 Series 3 Sensor 1, electric heating circuit: a failure in the electrical circuit

19660 4CCC P3204 Series 3 Sensor 1: internal resistance is too high

19661 4CCD P3205 Series 3 Sensor 1: too low voltage

19662 4CCE P3206 Series 3 Sensor 1: voltage is too high

19663 4CCF P3207 Series 3 Sensor 1 failure in the electrical circuit

19664 4CD0 P3208 Series 3 Sensor 1: no activity

19665 4CD1 P3209 Series 3 Sensor 1: the reaction time is too long

19666 4CD2 P3210 Series 3 Sensor 1, electric heating circuit too low Power

4CD3 P3211 19667 Bank 1 Sensor 1: heating circuit feedback

4CD4 P3212 19668 Bank 2 Sensor 1: heating circuit feedback

19669 4CD5 P3213 Series 3 Sensor 1: heating circuit feedback

19670 4CD6 P3214 Series 4 Sensor 1: heating circuit feedback

19671 4CD7 P3215 Series 3 Sensor 2, electric heating circuit: short circuit to ground

19672 4CD8 P3216 Series 3 Sensor 2, electric heating circuit: short circuit to plus

19673 4CD9 P3217 Series 3 Sensor 2, electric heating circuit: open circuit

19674 4CDA P3218 Series 3 Sensor 2, electric heating circuit: a failure in the electrical circuit

19675 4CDB P3219 Series 3 Sensor 2: internal resistance is too high

19676 4CDC P3220 series probe 3 2: voltage too low

19677 4CDD P3221 series probe 3 2: voltage is too high

19678 4CDE P3222 Series 3 Sensor 2: failure in the electrical circuit

19679 4CDF P3223 Series 3 Sensor 2: No Activity

19680 4CE0 P3224 Series 3 Sensor 2: the reaction time is too long

19681 4CE1 P3225 Series 3, lambda correction after catalyst: We have reached the limit of regulation

19682 4CE2 P3226 Series 4, lambda correction after catalyst: We have reached the limit of regulation

4CE3 P3227 19683 Bank 1, probe 1, adjustment of individual cylinders: probe reaction time is too long

4CE4 P3228 19684 Bank 1, probe 1, the signal lambda probe: unreliable lean mixture

4CE5 P3229 19685 Bank 1, probe 1, the signal lambda probe: unreliable rich mixture

19686 4CE6 P3230 Series 4-1 probe, electric heating circuit: short circuit to ground

19687 4CE7 P3231 Series 4-1 probe, electric heating circuit: short circuit to plus

19688 4CE8 P3232 Series 4-1 probe, electric heating circuit: open circuit

19689 4CE9 P3233 Series 4-1 probe, electric heating circuit: a failure in the electrical circuit

19690 4CEA P3234 series probe 4-1: internal resistance is too high

19691 4CEB P3235 Series 4 Sensor 1: too low voltage

19692 4CEC P3236 Series 4 Sensor 1: voltage is too high

19693 4CED P3237 Series 4-probe 1, a failure in the electrical circuit

19694 4CEE P3238 series probe 4-1: no activity

19695 4CEF P3239 series probe 4-1: the reaction time is too long

19696 4CF0 P3240 Series 4-1 probe, electric heating circuit too low Power

19697 4CF1 P3241 flaps inlet channels: temperature too high

19698 4CF2 P3242 flaps of the intake channel 2: temperature is too high

19699 4CF3 P3243 supply control signal to the throttle valve: a failure in the electrical circuit

19700 4CF4 P3244 supply a control signal to the throttle unit 2: failure in the electrical circuit

19701 4CF5 P3245 series probe 2 4, electric heating circuit: short circuit to ground

19702 4CF6 P3246 series probe 2 4, electric heating circuit: short circuit to plus

19703 4CF7 P3247 series probe 2 4, electric heating circuit: open circuit

19704 4CF8 P3248 series probe 2 4, electric heating circuit: a failure in the electrical circuit

19,705 4CF9 P3249 series probe 2 4: internal resistance is too high

19706 4CFA P3250 series probe 2 4: too low voltage

19707 4CFB P3251 series probe 2 4: the voltage is too high

19708 4CFC P3252 series probe 2 4: failure in the electrical circuit

19709 4CFD P3253 Series 4 Sensor 2: No Activity

19710 4CFE P3254 series probe 2 4: the reaction time is too long

4CFF P3255 19711 Bank 1, lambda probe before the catalyst electric heating circuit: We have reached the upper limit regulation

4D00 P3256 19712 Bank 1, lambda probe before the catalyst electric heating circuit: We have reached the lower limit regulation

4D01 P3257 19713 Bank 2, lambda probe before the catalyst electric heating circuit: We have reached the upper limit regulation

4D02 P3258 19714 Bank 2, lambda probe before the catalyst electric heating circuit: We have reached the lower limit regulation

19715 4D03 P3259 Auxiliary fuel pump for engine start-up: malfunction

19716 4D04 P3260 Series 1/2: confused lambda probes before catalyst

19717 4D05 P3261 Series 3/4: confused lambda probes before catalyst

19718 4D06 P3262 Series 1/2: confused lambda probe after catalyst

19719 4D07 P3263 Series 3/4: confused lambda probe after catalyst

19720 4D08 P3264 Front catalyst, number 3: the lack of efficiency.

19721 4D09 P3265 Front catalyst number 4: lack of efficiency.

4D0A P3266 19722 Bank 1, probe 1: invalid value of internal resistance

4D0B P3267 19723 Bank 2, probe 1: invalid value of internal resistance

4D0C P3268 19724 Linear Lambda probe, Row 2 / current signal: open circuit

4D0D P3269 19725 Linear Lambda probe, Row 2 / current signal: short circuit to ground

4D0E P3270 19726 Linear Lambda probe, Row 2 / current signal: short circuit to plus

4D0F P3271 19727 Linear Lambda probe, Row 2 / reference voltage: open circuit

4D10 P3272 19728 Linear Lambda probe, Row 2 / reference voltage short circuit to ground

4D11 P3273 19729 Linear Lambda probe, Row 2 / reference voltage short circuit to plus

4D12 P3274 19730 Linear Lambda probe, Row 2 / reference voltage: invalid value

4D13 P3275 19731 Linear Lambda probe, Row 2 / total weight of the cable: open circuit

4D14 P3276 19732 Linear Lambda probe, Row 2 / total weight of the cable: a short to ground

4D15 P3277 19733 Linear Lambda probe, Row 2 / total weight of the cable: short to positive

4D16 P3278 19734 Linear Lambda probe, Series 3 / current signal: open circuit

4D17 P3279 19735 Linear Lambda probe, Series 3 / current signal: short circuit to ground

4D18 P3280 19736 Linear Lambda probe, Series 3 / current signal: short circuit to plus

4D19 P3281 19737 Linear Lambda probe, Series 3 / reference voltage: open circuit

4D1A P3282 19738 Linear Lambda probe, Series 3 / reference voltage short circuit to ground

4D1B P3283 19739 Linear Lambda probe, Series 3 / reference voltage short circuit to plus

4D1C P3284 19740 Linear Lambda probe, Series 3 / voltage reference: invalid value

4D1D P3285 19741 Linear Lambda probe, Series 3 / total weight of the cable: open circuit

4D1E P3286 19742 Linear Lambda probe, Series 3 / total weight of the cable: a short to ground

4D1F P3287 19743 Linear Lambda probe, Series 3 / total weight of the cable: short to positive

4D20 P3288 19744 Linear Lambda probe, number 4 / current signal: open circuit

4D21 P3289 19745 Linear Lambda probe, number 4 / current signal: short circuit to ground

4D22 P3290 19746 Linear Lambda probe, number 4 / current signal: short circuit to plus

4D23 P3291 19747 Linear Lambda probe 4 number / reference voltage: open circuit

4D24 P3292 19748 Linear Lambda probe 4 number / reference voltage short circuit to ground

4D25 P3293 19749 Linear Lambda probe 4 number / reference voltage short circuit to plus

4D26 P3294 19750 Linear Lambda probe 4 number / reference voltage: invalid value