andrebrazil

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Problem Reported: The Constant Control Relay Module May Fail
May 27, 2010, 11:08 AM
<p>There are reports of failures of the CCRM or Constant Control Relay Module.&nbsp; The CCRM has relays and switches inside that control or provide power to the <span class="ct_glossary tooltip">engine <a id="ce_58" class="ct_selected tooltip" href="/engine-cooling-fan">cooling fan</a></span>, AC clutch (to engage the <a id="[object HTMLInputElement]" class="ct_glossary tooltip" href="/air-conditioning-compressor"><span class="ct_glossary tooltip">AC compressor</span></a>), <a id="ce_77" class="ct_glossary tooltip" href="/fuel-pump">fuel pump</a> and powertrain control module (PCM).&nbsp; Single switches or relays can fail internally causing a number of different symptoms including no start conditions (inoperative <span class="ct_glossary tooltip">fuel pump</span> or PCM), engine running warm due to inoperative <span class="ct_glossary tooltip">cooling fan</span>, or the AC might not blow cold air.</p>
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