<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001478310</cik>
        <entityName>PNC Tax Credit Capital Institutional Fund 43 Limited Partnership</entityName>
        <issuerAddress>
            <street1>121 SW MORRISON STREET</street1>
            <street2>SUITE 1300</street2>
            <city>PORTLAND</city>
            <stateOrCountry>OR</stateOrCountry>
            <stateOrCountryDescription>OREGON</stateOrCountryDescription>
            <zipCode>97204</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>800-635-6556</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>PNC MultiFamily Capital Institutional Fund XLIII Limited Partnership</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>PNC Tax Credit Capital Fund 43, Inc.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1700</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>PNC Tax Credit Capital Fund 43, Inc. is the general partner of Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>PNC Bank, National Association</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>One PNC Plaza</street1>
                <street2>249 Fifth Avenue</street2>
                <city>Pittsburgh</city>
                <stateOrCountry>PA</stateOrCountry>
                <stateOrCountryDescription>PENNSYLVANIA</stateOrCountryDescription>
                <zipCode>15222</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>PNC Bank, National Association is an affiliate of Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Columbia Housing Partners Limited Partnership (dba PNC Tax Credit Capital)</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1300</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Columbia Housing Partners Limited Partnership (dba PNC Tax Credit Capital) is an affiliate of Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>S.</middleName>
                <lastName>Bassin</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1300</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Todd</firstName>
                <middleName>J.</middleName>
                <lastName>Crow</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1300</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gretchen</firstName>
                <middleName>L.</middleName>
                <lastName>Kelly</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1300</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lisa</firstName>
                <lastName>Williams</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>121 SW Morrison Street</street1>
                <street2>Suite 1300</street2>
                <city>Portland</city>
                <stateOrCountry>OR</stateOrCountry>
                <stateOrCountryDescription>OREGON</stateOrCountryDescription>
                <zipCode>97204-3143</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Real Estate</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.1</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001478310-10-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-12-30</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>5000000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>N/A</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>PNC Capital Markets LLC</associatedBDName>
                <associatedBDCRDNumber>15647</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>249 Fifth Avenue</street1>
                    <street2>26th Floor</street2>
                    <city>Pittsburgh</city>
                    <stateOrCountry>PA</stateOrCountry>
                    <stateOrCountryDescription>PENNSYLVANIA</stateOrCountryDescription>
                    <zipCode>15222</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>N/A</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Compass Securities Corporation</associatedBDName>
                <associatedBDCRDNumber>16168</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>50 Braintree Hill Office Park</street1>
                    <street2>Suite 105</street2>
                    <city>Braintree</city>
                    <stateOrCountry>MA</stateOrCountry>
                    <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                    <zipCode>02184</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>N/A</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Moors &amp; Cabot, Inc.</associatedBDName>
                <associatedBDCRDNumber>594</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>111 Devonshire Street</street1>
                    <city>Boston</city>
                    <stateOrCountry>MA</stateOrCountry>
                    <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                    <zipCode>02109</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>182860000</totalOfferingAmount>
            <totalAmountSold>182860000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>6</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>1828600</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>PNC Tax Credit Capital Institutional Fund 43 Limited Partnership</issuerName>
                <signatureName>/s/ Lisa Williams</signatureName>
                <nameOfSigner>Lisa Williams</nameOfSigner>
                <signatureTitle>Sr. VP of PNC Tax Credit Capital Fund 43, Inc., its GP</signatureTitle>
                <signatureDate>2010-04-19</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
