diff --git a/modules/intentIqIdSystem.js b/modules/intentIqIdSystem.js
index 242b227f89f..88da7d44481 100644
--- a/modules/intentIqIdSystem.js
+++ b/modules/intentIqIdSystem.js
@@ -40,7 +40,10 @@ export const intentIqIdSubmodule = {
     }
 
     // use protocol relative urls for http or https
-    const url = `https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
+    let url = `https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=${configParams.partner}&pt=17&dpn=1`;
+    url += configParams.pcid ? '&pcid=' + encodeURIComponent(configParams.pcid) : '';
+    url += configParams.pai ? '&pai=' + encodeURIComponent(configParams.pai) : '';
+
     const resp = function (callback) {
       const callbacks = {
         success: response => {
diff --git a/test/spec/modules/intentIqIdSystem_spec.js b/test/spec/modules/intentIqIdSystem_spec.js
new file mode 100644
index 00000000000..2dccde18855
--- /dev/null
+++ b/test/spec/modules/intentIqIdSystem_spec.js
@@ -0,0 +1,143 @@
+import { expect } from 'chai';
+import {intentIqIdSubmodule} from 'modules/intentIqIdSystem.js';
+import * as utils from 'src/utils.js';
+import {server} from 'test/mocks/xhr.js';
+
+const partner = 10;
+const pai = '11';
+const pcid = '12';
+const defaultConfigParams = {partner: partner};
+const paiConfigParams = {partner: partner, pai: pai};
+const pcidConfigParams = {partner: partner, pcid: pcid};
+const allConfigParams = {partner: partner, pai: pai, pcid: pcid};
+const responseHeader = {'Content-Type': 'application/json'}
+
+describe('IntentIQ tests', function () {
+  let logErrorStub;
+
+  beforeEach(function () {
+    logErrorStub = sinon.stub(utils, 'logError');
+  });
+
+  afterEach(function () {
+    logErrorStub.restore();
+  });
+
+  it('should log an error if no configParams were passed when getId', function () {
+    let submodule = intentIqIdSubmodule.getId();
+    expect(logErrorStub.calledOnce).to.be.true;
+    expect(submodule).to.be.undefined;
+  });
+
+  it('should log an error if partner configParam was not passed when getId', function () {
+    let submodule = intentIqIdSubmodule.getId({});
+    expect(logErrorStub.calledOnce).to.be.true;
+    expect(submodule).to.be.undefined;
+  });
+
+  it('should log an error if partner configParam was not a numeric value', function () {
+    let submodule = intentIqIdSubmodule.getId({partner: '10'});
+    expect(logErrorStub.calledOnce).to.be.true;
+    expect(submodule).to.be.undefined;
+  });
+
+  it('should call the IntentIQ endpoint with only partner', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1');
+    request.respond(
+      200,
+      responseHeader,
+      JSON.stringify({})
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+
+  it('should call the IntentIQ endpoint with only partner, pai', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(paiConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1&pai=11');
+    request.respond(
+      200,
+      responseHeader,
+      JSON.stringify({})
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+
+  it('should call the IntentIQ endpoint with only partner, pcid', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(pcidConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1&pcid=12');
+    request.respond(
+      200,
+      responseHeader,
+      JSON.stringify({})
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+
+  it('should call the IntentIQ endpoint with partner, pcid, pai', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(allConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1&pcid=12&pai=11');
+    request.respond(
+      200,
+      responseHeader,
+      JSON.stringify({})
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+
+  it('should not throw Uncaught TypeError when IntentIQ endpoint returns empty response', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1');
+    request.respond(
+      204,
+      responseHeader,
+      ''
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+    expect(request.response).to.equal('');
+    expect(logErrorStub.calledOnce).to.not.be.true;
+  });
+
+  it('should log an error and continue to callback if ajax request errors', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1');
+    request.respond(
+      503,
+      responseHeader,
+      'Unavailable'
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+
+  it('should log an error and continue to callback if ajax request errors', function () {
+    let callBackSpy = sinon.spy();
+    let submoduleCallback = intentIqIdSubmodule.getId(defaultConfigParams).callback;
+    submoduleCallback(callBackSpy);
+    let request = server.requests[0];
+    expect(request.url).to.be.eq('https://api.intentiq.com/profiles_engine/ProfilesEngineServlet?at=39&mi=10&dpi=10&pt=17&dpn=1');
+    request.respond(
+      503,
+      responseHeader,
+      'Unavailable'
+    );
+    expect(callBackSpy.calledOnce).to.be.true;
+  });
+});